diff --git a/block/networking/BlockCableBus.java b/block/networking/BlockCableBus.java
index d08d8459f..6f2092a9a 100644
--- a/block/networking/BlockCableBus.java
+++ b/block/networking/BlockCableBus.java
@@ -6,6 +6,8 @@ import java.util.Random;
 
 import net.minecraft.block.Block;
 import net.minecraft.block.material.Material;
+import net.minecraft.client.particle.EffectRenderer;
+import net.minecraft.client.particle.EntityDiggingFX;
 import net.minecraft.client.renderer.texture.IIconRegister;
 import net.minecraft.creativetab.CreativeTabs;
 import net.minecraft.entity.Entity;
@@ -20,6 +22,8 @@ import net.minecraft.util.Vec3;
 import net.minecraft.world.IBlockAccess;
 import net.minecraft.world.World;
 import net.minecraftforge.common.util.ForgeDirection;
+import appeng.api.parts.IPart;
+import appeng.api.parts.IPartHost;
 import appeng.api.parts.PartItemStack;
 import appeng.api.parts.SelectedPart;
 import appeng.block.AEBaseBlock;
@@ -39,6 +43,8 @@ import appeng.tile.AEBaseTile;
 import appeng.tile.networking.TileCableBus;
 import appeng.tile.networking.TileCableBusTESR;
 import appeng.util.Platform;
+import cpw.mods.fml.relauncher.Side;
+import cpw.mods.fml.relauncher.SideOnly;
 
 public class BlockCableBus extends AEBaseBlock
 {
@@ -75,6 +81,117 @@ public class BlockCableBus extends AEBaseBlock
 		return 0;
 	}
 
+	@SideOnly(Side.CLIENT)
+	public boolean addHitEffects(World world, MovingObjectPosition target, EffectRenderer effectRenderer)
+	{
+		Object pobj = cb( world, target.blockX, target.blockY, target.blockZ );
+		if ( pobj instanceof IPartHost )
+		{
+			IPartHost host = (IPartHost) pobj;
+
+			for (ForgeDirection side : ForgeDirection.values())
+			{
+				IPart p = host.getPart( side );
+				IIcon ico = getIcon( p );
+
+				if ( ico == null )
+					continue;
+
+				byte b0 = (byte) (Platform.getRandomInt() % 2 == 0 ? 1 : 0);
+
+				for (int i1 = 0; i1 < b0; ++i1)
+				{
+					for (int j1 = 0; j1 < b0; ++j1)
+					{
+						for (int k1 = 0; k1 < b0; ++k1)
+						{
+							double d0 = (double) target.blockX + ((double) i1 + 0.5D) / (double) b0;
+							double d1 = (double) target.blockY + ((double) j1 + 0.5D) / (double) b0;
+							double d2 = (double) target.blockZ + ((double) k1 + 0.5D) / (double) b0;
+
+							double dd0 = target.hitVec.xCoord;
+							double dd1 = target.hitVec.yCoord;
+							double dd2 = target.hitVec.zCoord;
+							EntityDiggingFX fx = (new EntityDiggingFX( world, dd0, dd1, dd2, d0 - (double) target.blockX - 0.5D, d1 - (double) target.blockY
+									- 0.5D, d2 - (double) target.blockZ - 0.5D, this, 0 )).applyColourMultiplier( target.blockX, target.blockY, target.blockZ );
+
+							fx.setParticleIcon( ico );
+
+							effectRenderer.addEffect( fx );
+						}
+					}
+				}
+			}
+		}
+
+		return true;
+	}
+
+	@SideOnly(Side.CLIENT)
+	public boolean addDestroyEffects(World world, int x, int y, int z, int meta, EffectRenderer effectRenderer)
+	{
+		Object pobj = cb( world, x, y, z );
+		if ( pobj instanceof IPartHost )
+		{
+			IPartHost host = (IPartHost) pobj;
+
+			for (ForgeDirection side : ForgeDirection.values())
+			{
+				IPart p = host.getPart( side );
+				IIcon ico = getIcon( p );
+
+				if ( ico == null )
+					continue;
+
+				byte b0 = 3;
+
+				for (int i1 = 0; i1 < b0; ++i1)
+				{
+					for (int j1 = 0; j1 < b0; ++j1)
+					{
+						for (int k1 = 0; k1 < b0; ++k1)
+						{
+							double d0 = (double) x + ((double) i1 + 0.5D) / (double) b0;
+							double d1 = (double) y + ((double) j1 + 0.5D) / (double) b0;
+							double d2 = (double) z + ((double) k1 + 0.5D) / (double) b0;
+							EntityDiggingFX fx = (new EntityDiggingFX( world, d0, d1, d2, d0 - (double) x - 0.5D, d1 - (double) y - 0.5D, d2 - (double) z
+									- 0.5D, this, meta )).applyColourMultiplier( x, y, z );
+
+							fx.setParticleIcon( ico );
+
+							effectRenderer.addEffect( fx );
+						}
+					}
+				}
+			}
+		}
+
+		return true;
+	}
+
+	private IIcon getIcon(IPart p)
+	{
+		if ( p == null )
+			return null;
+
+		try
+		{
+			IIcon ico = p.getBreakingTexture();
+			if ( ico != null )
+				return ico;
+		}
+		catch (Throwable t)
+		{
+			// nothing.
+		}
+
+		ItemStack is = p.getItemStack( PartItemStack.Network );
+		if ( is == null || is.getItem() == null )
+			return null;
+
+		return is.getItem().getIcon( is, 0 );
+	}
+
 	@Override
 	public boolean canRenderInPass(int pass)
 	{
diff --git a/client/render/CableRenderHelper.java b/client/render/CableRenderHelper.java
index 02caf2263..6211f4a7d 100644
--- a/client/render/CableRenderHelper.java
+++ b/client/render/CableRenderHelper.java
@@ -29,6 +29,9 @@ public class CableRenderHelper
 		TileEntity te = cableBusContainer.getTile();
 		RenderBlocksWorkaround renderer = BusRenderer.instance.renderer;
 
+		if ( renderer.overrideBlockTexture != null )
+			BusRenderHelper.instance.setPass( 0 );
+
 		if ( renderer.blockAccess == null )
 			renderer.blockAccess = Minecraft.getMinecraft().theWorld;
 
diff --git a/items/misc/ItemCrystalSeed.java b/items/misc/ItemCrystalSeed.java
index 54dd22f9c..bd0f67cdf 100644
--- a/items/misc/ItemCrystalSeed.java
+++ b/items/misc/ItemCrystalSeed.java
@@ -13,6 +13,7 @@ import net.minecraft.entity.player.EntityPlayer;
 import net.minecraft.init.Items;
 import net.minecraft.item.Item;
 import net.minecraft.item.ItemStack;
+import net.minecraft.nbt.NBTTagCompound;
 import net.minecraft.util.IIcon;
 import net.minecraft.world.World;
 import appeng.api.AEApi;
@@ -22,6 +23,7 @@ import appeng.core.features.AEFeature;
 import appeng.entity.EntityGrowingCrystal;
 import appeng.entity.EntityIds;
 import appeng.items.AEBaseItem;
+import appeng.util.Platform;
 import cpw.mods.fml.common.registry.EntityRegistry;
 
 public class ItemCrystalSeed extends AEBaseItem implements IGrowableCrystal
@@ -39,6 +41,29 @@ public class ItemCrystalSeed extends AEBaseItem implements IGrowableCrystal
 	IIcon fluix[] = new IIcon[3];
 	IIcon nether[] = new IIcon[3];
 
+	private int getProgress(ItemStack is)
+	{
+		if ( is.hasTagCompound() )
+		{
+			return is.getTagCompound().getInteger( "progress" );
+		}
+		else
+		{
+			int progress;
+			NBTTagCompound comp = Platform.openNbtData( is );
+			comp.setInteger( "progress", progress = is.getItemDamage() );
+			is.setItemDamage( (is.getItemDamage() / SINGLE_OFFSET) * SINGLE_OFFSET );
+			return progress;
+		}
+	}
+
+	private void setProgress(ItemStack is, int newDamage)
+	{
+		NBTTagCompound comp = Platform.openNbtData( is );
+		comp.setInteger( "progress", newDamage );
+		is.setItemDamage( (is.getItemDamage() / SINGLE_OFFSET) * SINGLE_OFFSET );
+	}
+
 	public ItemCrystalSeed() {
 		super( ItemCrystalSeed.class );
 		setHasSubtypes( true );
@@ -52,7 +77,7 @@ public class ItemCrystalSeed extends AEBaseItem implements IGrowableCrystal
 	@Override
 	public String getUnlocalizedName(ItemStack is)
 	{
-		int damage = is.getItemDamage();
+		int damage = getProgress( is );
 
 		if ( damage < Certus + SINGLE_OFFSET )
 			return getUnlocalizedName() + ".Certus";
@@ -69,7 +94,7 @@ public class ItemCrystalSeed extends AEBaseItem implements IGrowableCrystal
 	@Override
 	public ItemStack triggerGrowth(ItemStack is)
 	{
-		int newDamage = is.getItemDamage() + 1;
+		int newDamage = getProgress( is ) + 1;
 
 		if ( newDamage == Certus + SINGLE_OFFSET )
 			return AEApi.instance().materials().materialPureifiedCertusQuartzCrystal.stack( is.stackSize );
@@ -80,49 +105,43 @@ public class ItemCrystalSeed extends AEBaseItem implements IGrowableCrystal
 		if ( newDamage > END )
 			return null;
 
-		is.setItemDamage( newDamage );
+		setProgress( is, newDamage );
 		return is;
 	}
 
 	@Override
 	public boolean isDamageable()
 	{
-		return true;
+		return false;
 	}
 
 	@Override
 	public void addInformation(ItemStack stack, EntityPlayer p, List l, boolean b)
 	{
-		int progress = stack.getItemDamage() % 200;
-		l.add( Math.floor( (float) progress / 2.0f ) + "%" );
+		int progress = getProgress( stack ) % SINGLE_OFFSET;
+		l.add( Math.floor( (float) progress / (float) (SINGLE_OFFSET / 100) ) + "%" );
 		super.addInformation( stack, p, l, b );
 	}
 
 	@Override
 	public boolean isDamaged(ItemStack stack)
 	{
-		// if ( stack.getItemDamage() % 200 == 0 )
-		// return false;
 		return false;
 	}
 
-	@Override
-	public int getDisplayDamage(ItemStack stack)
-	{
-		return stack.getItemDamage() % 200;
-	}
-
 	@Override
 	public int getMaxDamage(ItemStack stack)
 	{
-		return 200;
+		return END;
 	}
 
 	@Override
-	public IIcon getIconFromDamage(int damage)
+	public IIcon getIconIndex(ItemStack stack)
 	{
 		IIcon list[] = null;
 
+		int damage = getProgress( stack );
+
 		if ( damage < Certus + SINGLE_OFFSET )
 			list = certus;
 
@@ -198,19 +217,25 @@ public class ItemCrystalSeed extends AEBaseItem implements IGrowableCrystal
 	public void getSubItems(Item i, CreativeTabs t, List l)
 	{
 		// lvl 0
-		l.add( new ItemStack( this, 1, Certus ) );
-		l.add( new ItemStack( this, 1, Nether ) );
-		l.add( new ItemStack( this, 1, Fluix ) );
+		l.add( newStyle( new ItemStack( this, 1, Certus ) ) );
+		l.add( newStyle( new ItemStack( this, 1, Nether ) ) );
+		l.add( newStyle( new ItemStack( this, 1, Fluix ) ) );
 
 		// lvl 1
-		l.add( new ItemStack( this, 1, LEVEL_OFFSET + Certus ) );
-		l.add( new ItemStack( this, 1, LEVEL_OFFSET + Nether ) );
-		l.add( new ItemStack( this, 1, LEVEL_OFFSET + Fluix ) );
+		l.add( newStyle( new ItemStack( this, 1, LEVEL_OFFSET + Certus ) ) );
+		l.add( newStyle( new ItemStack( this, 1, LEVEL_OFFSET + Nether ) ) );
+		l.add( newStyle( new ItemStack( this, 1, LEVEL_OFFSET + Fluix ) ) );
 
 		// lvl 2
-		l.add( new ItemStack( this, 1, LEVEL_OFFSET * 2 + Certus ) );
-		l.add( new ItemStack( this, 1, LEVEL_OFFSET * 2 + Nether ) );
-		l.add( new ItemStack( this, 1, LEVEL_OFFSET * 2 + Fluix ) );
+		l.add( newStyle( new ItemStack( this, 1, LEVEL_OFFSET * 2 + Certus ) ) );
+		l.add( newStyle( new ItemStack( this, 1, LEVEL_OFFSET * 2 + Nether ) ) );
+		l.add( newStyle( new ItemStack( this, 1, LEVEL_OFFSET * 2 + Fluix ) ) );
+	}
+
+	private ItemStack newStyle(ItemStack itemStack)
+	{
+		getProgress( itemStack );
+		return itemStack;
 	}
 
 }
diff --git a/me/Grid.java b/me/Grid.java
index 8bc2b1f1c..dce6123a9 100644
--- a/me/Grid.java
+++ b/me/Grid.java
@@ -1,238 +1,236 @@
-package appeng.me;
-
-import java.util.Collection;
-import java.util.HashMap;
-import java.util.Iterator;
-import java.util.Set;
-
-import appeng.api.AEApi;
-import appeng.api.networking.IGrid;
-import appeng.api.networking.IGridCache;
-import appeng.api.networking.IGridHost;
-import appeng.api.networking.IGridNode;
-import appeng.api.networking.IMachineSet;
-import appeng.api.networking.events.MENetworkEvent;
-import appeng.api.networking.events.MENetworkPostCacheConstruction;
-import appeng.api.util.IReadOnlyCollection;
-import appeng.core.WorldSettings;
-import appeng.hooks.TickHandler;
-import appeng.util.ReadOnlyCollection;
-
-public class Grid implements IGrid
-{
-
-	GridStorage myStorage;
-
-	NetworkEventBus bus = new NetworkEventBus();
-	HashMap<Class<? extends IGridHost>, Set> Machines = new HashMap<Class<? extends IGridHost>, Set>();
-	HashMap<Class<? extends IGridCache>, GridCacheWrapper> caches = new HashMap<Class<? extends IGridCache>, GridCacheWrapper>();
-
-	GridNode pivot;
-	int isImportant; // how import is this network?
-
-	public Grid(GridNode center) {
-		this.pivot = center;
-
-		HashMap<Class<? extends IGridCache>, IGridCache> myCaches = AEApi.instance().registries().gridCache().createCacheInstance( this );
-		for (Class<? extends IGridCache> c : myCaches.keySet())
-		{
-			bus.readClass( c, myCaches.get( c ).getClass() );
-			caches.put( c, new GridCacheWrapper( myCaches.get( c ) ) );
-		}
-
-		TickHandler.instance.addNetwork( this );
-		center.setGrid( this );
-
-		postEvent( new MENetworkPostCacheConstruction() );
-	}
-
-	public Set<Class<? extends IGridHost>> getMachineClasses()
-	{
-		return Machines.keySet();
-	}
-
-	@Override
-	public IGridNode getPivot()
-	{
-		return pivot;
-	}
-
-	public int size()
-	{
-		int out = 0;
-		for (Collection<?> x : Machines.values())
-			out += x.size();
-		return out;
-	}
-
-	public void remove(GridNode gridNode)
-	{
-		for (IGridCache c : caches.values())
-			c.removeNode( gridNode, gridNode.getMachine() );
-
-		Collection<IGridNode> nodes = Machines.get( gridNode.getMachineClass() );
-		if ( nodes != null )
-			nodes.remove( gridNode );
-
-		gridNode.setGridStorage( null );
-
-		if ( pivot == gridNode )
-		{
-			Iterator<IGridNode> n = getNodes().iterator();
-			if ( n.hasNext() )
-				pivot = (GridNode) n.next();
-			else
-			{
-				pivot = null;
-				TickHandler.instance.removeNetwork( this );
-				myStorage.remove();
-			}
-		}
-	}
-
-	public void add(GridNode gridNode)
-	{
-		Class<? extends IGridHost> mClass = gridNode.getMachineClass();
-		Set<IGridNode> nodes = Machines.get( mClass );
-		if ( nodes == null )
-		{
-			Machines.put( mClass, nodes = new MachineSet( mClass ) );
-			bus.readClass( mClass, mClass );
-		}
-
-		// handle loading grid storages.
-		if ( gridNode.getGridStorage() != null )
-		{
-			GridStorage gs = gridNode.getGridStorage();
-
-			if ( gs.getGrid() == null )
-			{
-				myStorage = gs;
-				myStorage.setGrid( this );
-
-				for (IGridCache gc : caches.values())
-					gc.onJoin( myStorage );
-			}
-			else if ( gs.getGrid() != this )
-			{
-				if ( myStorage == null )
-				{
-					myStorage = WorldSettings.getInstance().getNewGridStorage();
-					myStorage.setGrid( this );
-				}
-
-				GridStorage tmp = new GridStorage();
-				if ( !gs.hasDivided( myStorage ) )
-				{
-					gs.addDivided( myStorage );
-
-					for (IGridCache gc : ((Grid) gs.getGrid()).caches.values())
-						gc.onSplit( tmp );
-
-					for (IGridCache gc : caches.values())
-						gc.onJoin( tmp );
-				}
-			}
-		}
-		else if ( myStorage == null )
-		{
-			myStorage = WorldSettings.getInstance().getNewGridStorage();
-			myStorage.setGrid( this );
-		}
-
-		// update grid node...
-		gridNode.setGridStorage( myStorage );
-
-		// track node.
-		nodes.add( gridNode );
-
-		for (IGridCache c : caches.values())
-			c.addNode( gridNode, gridNode.getMachine() );
-
-		gridNode.gridProxy.gridChanged();
-		// postEventTo( gridNode, networkChanged );
-	}
-
-	@Override
-	public IReadOnlyCollection<IGridNode> getNodes()
-	{
-		return new NodeIteratable( Machines );
-	}
-
-	@Override
-	public IReadOnlyCollection<Class<? extends IGridHost>> getMachinesClasses()
-	{
-		return new ReadOnlyCollection<Class<? extends IGridHost>>( Machines.keySet() );
-	}
-
-	@Override
-	public IMachineSet getMachines(Class<? extends IGridHost> c)
-	{
-		MachineSet s = (MachineSet) Machines.get( c );
-		if ( s == null )
-			return new MachineSet( c );
-		return s;
-	}
-
-	@Override
-	public <C extends IGridCache> C getCache(Class<? extends IGridCache> iface)
-	{
-		return (C) caches.get( iface ).myCache;
-	}
-
-	@Override
-	public MENetworkEvent postEventTo(IGridNode node, MENetworkEvent ev)
-	{
-		return bus.postEventTo( this, (GridNode) node, ev );
-	}
-
-	@Override
-	public MENetworkEvent postEvent(MENetworkEvent ev)
-	{
-		return bus.postEvent( this, ev );
-	}
-
-	public void requestSave()
-	{
-		myStorage.markDirty();
-		WorldSettings.getInstance().save();
-	}
-
-	public void update()
-	{
-		// are ther any nodes left?
-		if ( pivot != null )
-		{
-			for (IGridCache gc : caches.values())
-			{
-				gc.onUpdateTick();
-			}
-		}
-	}
-
-	public Iterable<GridCacheWrapper> getCacheWrappers()
-	{
-		return caches.values();
-	}
-
-	@Override
-	public boolean isEmpty()
-	{
-		return pivot == null;
-	}
-
-	public void saveState()
-	{
-		for (IGridCache c : caches.values())
-		{
-			c.populateGridStorage( myStorage );
-		}
-	}
-
-	public void setImportantFlag(int i, boolean publicHasPower)
-	{
-		int flag = 1 << i;
-		isImportant = (isImportant & ~flag) | (publicHasPower ? flag : 0);
-	}
-
-}
+package appeng.me;
+
+import java.util.Collection;
+import java.util.HashMap;
+import java.util.Iterator;
+import java.util.Set;
+
+import appeng.api.AEApi;
+import appeng.api.networking.IGrid;
+import appeng.api.networking.IGridCache;
+import appeng.api.networking.IGridHost;
+import appeng.api.networking.IGridNode;
+import appeng.api.networking.IMachineSet;
+import appeng.api.networking.events.MENetworkEvent;
+import appeng.api.networking.events.MENetworkPostCacheConstruction;
+import appeng.api.util.IReadOnlyCollection;
+import appeng.core.WorldSettings;
+import appeng.hooks.TickHandler;
+import appeng.util.ReadOnlyCollection;
+
+public class Grid implements IGrid
+{
+
+	GridStorage myStorage;
+
+	NetworkEventBus bus = new NetworkEventBus();
+	HashMap<Class<? extends IGridHost>, Set> Machines = new HashMap<Class<? extends IGridHost>, Set>();
+	HashMap<Class<? extends IGridCache>, GridCacheWrapper> caches = new HashMap<Class<? extends IGridCache>, GridCacheWrapper>();
+
+	GridNode pivot;
+	int isImportant; // how import is this network?
+
+	public Grid(GridNode center) {
+		this.pivot = center;
+
+		HashMap<Class<? extends IGridCache>, IGridCache> myCaches = AEApi.instance().registries().gridCache().createCacheInstance( this );
+		for (Class<? extends IGridCache> c : myCaches.keySet())
+		{
+			bus.readClass( c, myCaches.get( c ).getClass() );
+			caches.put( c, new GridCacheWrapper( myCaches.get( c ) ) );
+		}
+
+		TickHandler.instance.addNetwork( this );
+		center.setGrid( this );
+
+		postEvent( new MENetworkPostCacheConstruction() );
+	}
+
+	public Set<Class<? extends IGridHost>> getMachineClasses()
+	{
+		return Machines.keySet();
+	}
+
+	@Override
+	public IGridNode getPivot()
+	{
+		return pivot;
+	}
+
+	public int size()
+	{
+		int out = 0;
+		for (Collection<?> x : Machines.values())
+			out += x.size();
+		return out;
+	}
+
+	public void remove(GridNode gridNode)
+	{
+		for (IGridCache c : caches.values())
+			c.removeNode( gridNode, gridNode.getMachine() );
+
+		Collection<IGridNode> nodes = Machines.get( gridNode.getMachineClass() );
+		if ( nodes != null )
+			nodes.remove( gridNode );
+
+		gridNode.setGridStorage( null );
+
+		if ( pivot == gridNode )
+		{
+			Iterator<IGridNode> n = getNodes().iterator();
+			if ( n.hasNext() )
+				pivot = (GridNode) n.next();
+			else
+			{
+				pivot = null;
+				TickHandler.instance.removeNetwork( this );
+				myStorage.remove();
+			}
+		}
+	}
+
+	public void add(GridNode gridNode)
+	{
+		Class<? extends IGridHost> mClass = gridNode.getMachineClass();
+		Set<IGridNode> nodes = Machines.get( mClass );
+		if ( nodes == null )
+		{
+			Machines.put( mClass, nodes = new MachineSet( mClass ) );
+			bus.readClass( mClass, mClass );
+		}
+
+		// handle loading grid storages.
+		if ( gridNode.getGridStorage() != null )
+		{
+			GridStorage gs = gridNode.getGridStorage();
+
+			if ( gs.getGrid() == null )
+			{
+				myStorage = gs;
+				myStorage.setGrid( this );
+
+				for (IGridCache gc : caches.values())
+					gc.onJoin( myStorage );
+			}
+			else if ( gs.getGrid() != this )
+			{
+				if ( myStorage == null )
+				{
+					myStorage = WorldSettings.getInstance().getNewGridStorage();
+					myStorage.setGrid( this );
+				}
+
+				GridStorage tmp = new GridStorage();
+				if ( !gs.hasDivided( myStorage ) )
+				{
+					gs.addDivided( myStorage );
+
+					for (IGridCache gc : ((Grid) gs.getGrid()).caches.values())
+						gc.onSplit( tmp );
+
+					for (IGridCache gc : caches.values())
+						gc.onJoin( tmp );
+				}
+			}
+		}
+		else if ( myStorage == null )
+		{
+			myStorage = WorldSettings.getInstance().getNewGridStorage();
+			myStorage.setGrid( this );
+		}
+
+		// update grid node...
+		gridNode.setGridStorage( myStorage );
+
+		// track node.
+		nodes.add( gridNode );
+
+		for (IGridCache c : caches.values())
+			c.addNode( gridNode, gridNode.getMachine() );
+
+		gridNode.gridProxy.gridChanged();
+		// postEventTo( gridNode, networkChanged );
+	}
+
+	@Override
+	public IReadOnlyCollection<IGridNode> getNodes()
+	{
+		return new NodeIteratable( Machines );
+	}
+
+	@Override
+	public IReadOnlyCollection<Class<? extends IGridHost>> getMachinesClasses()
+	{
+		return new ReadOnlyCollection<Class<? extends IGridHost>>( Machines.keySet() );
+	}
+
+	@Override
+	public IMachineSet getMachines(Class<? extends IGridHost> c)
+	{
+		MachineSet s = (MachineSet) Machines.get( c );
+		if ( s == null )
+			return new MachineSet( c );
+		return s;
+	}
+
+	@Override
+	public <C extends IGridCache> C getCache(Class<? extends IGridCache> iface)
+	{
+		return (C) caches.get( iface ).myCache;
+	}
+
+	@Override
+	public MENetworkEvent postEventTo(IGridNode node, MENetworkEvent ev)
+	{
+		return bus.postEventTo( this, (GridNode) node, ev );
+	}
+
+	@Override
+	public MENetworkEvent postEvent(MENetworkEvent ev)
+	{
+		return bus.postEvent( this, ev );
+	}
+
+	public void requestSave()
+	{
+		myStorage.markDirty();
+		WorldSettings.getInstance().save();
+	}
+
+	public void update()
+	{
+		for (IGridCache gc : caches.values())
+		{
+			// are there any nodes left?
+			if ( pivot != null )
+				gc.onUpdateTick();
+		}
+	}
+
+	public Iterable<GridCacheWrapper> getCacheWrappers()
+	{
+		return caches.values();
+	}
+
+	@Override
+	public boolean isEmpty()
+	{
+		return pivot == null;
+	}
+
+	public void saveState()
+	{
+		for (IGridCache c : caches.values())
+		{
+			c.populateGridStorage( myStorage );
+		}
+	}
+
+	public void setImportantFlag(int i, boolean publicHasPower)
+	{
+		int flag = 1 << i;
+		isImportant = (isImportant & ~flag) | (publicHasPower ? flag : 0);
+	}
+
+}
diff --git a/me/cache/GridStorageCache.java b/me/cache/GridStorageCache.java
index 5966e328a..d427ed810 100644
--- a/me/cache/GridStorageCache.java
+++ b/me/cache/GridStorageCache.java
@@ -27,6 +27,7 @@ import appeng.api.storage.data.IAEFluidStack;
 import appeng.api.storage.data.IAEItemStack;
 import appeng.api.storage.data.IAEStack;
 import appeng.api.storage.data.IItemList;
+import appeng.me.helpers.StorageInterestManager;
 import appeng.me.storage.ItemWatcher;
 import appeng.me.storage.NetworkInventoryHandler;
 
@@ -36,7 +37,8 @@ import com.google.common.collect.SetMultimap;
 public class GridStorageCache implements IStorageGrid
 {
 
-	public SetMultimap<IAEStack, ItemWatcher> interests = HashMultimap.create();
+	final private SetMultimap<IAEStack, ItemWatcher> interests = HashMultimap.create();
+	final public StorageInterestManager interestManager = new StorageInterestManager( interests );
 
 	final HashSet<ICellProvider> activeCellProviders = new HashSet();
 	final HashSet<ICellProvider> inactiveCellProviders = new HashSet();
diff --git a/me/cache/NetworkMonitor.java b/me/cache/NetworkMonitor.java
index 9fe06d5b4..dfccffc91 100644
--- a/me/cache/NetworkMonitor.java
+++ b/me/cache/NetworkMonitor.java
@@ -59,9 +59,9 @@ public class NetworkMonitor<T extends IAEStack<T>> extends MEMonitorHandler<T>
 		sendEvent = true;
 		super.postChange( diff, src );
 
-		if ( myGridCache.interests.containsKey( diff ) )
+		if ( myGridCache.interestManager.containsKey( diff ) )
 		{
-			Set<ItemWatcher> list = myGridCache.interests.get( diff );
+			Set<ItemWatcher> list = myGridCache.interestManager.get( diff );
 			if ( !list.isEmpty() )
 			{
 				IItemList<T> myStorageList = getStorageList();
@@ -72,9 +72,13 @@ public class NetworkMonitor<T extends IAEStack<T>> extends MEMonitorHandler<T>
 					fullStack = diff.copy();
 					fullStack.setStackSize( 0 );
 				}
-
+				
+				myGridCache.interestManager.enableTransactions();
+				
 				for (ItemWatcher iw : list)
 					iw.getHost().onStackChange( myStorageList, fullStack, diff, src, getChannel() );
+				
+				myGridCache.interestManager.disableTransactions();
 			}
 		}
 
diff --git a/me/helpers/StorageInterestManager.java b/me/helpers/StorageInterestManager.java
new file mode 100644
index 000000000..c4e9761f8
--- /dev/null
+++ b/me/helpers/StorageInterestManager.java
@@ -0,0 +1,84 @@
+package appeng.me.helpers;
+
+import java.util.LinkedList;
+import java.util.Set;
+
+import appeng.api.storage.data.IAEStack;
+import appeng.me.storage.ItemWatcher;
+
+import com.google.common.collect.SetMultimap;
+
+public class StorageInterestManager {
+	
+	class SavedTransactions {
+		public final boolean put;
+		public final IAEStack stack;
+		public final ItemWatcher iw;		
+
+		public SavedTransactions( boolean putOperation, IAEStack myStack, ItemWatcher watcher )
+		{
+			put = putOperation;
+			stack = myStack;
+			iw = watcher;
+		}
+	};
+
+	private final SetMultimap<IAEStack, ItemWatcher>  container;
+	private LinkedList<SavedTransactions> transactions = null;
+	
+	public StorageInterestManager(SetMultimap<IAEStack, ItemWatcher> interests) {
+		container = interests;
+	}
+
+	public void enableTransactions()
+	{
+		transactions = new LinkedList();
+	}
+
+	public void disableTransactions()
+	{
+		LinkedList<SavedTransactions>  myActions = transactions;
+		transactions = null;
+
+		for ( SavedTransactions t : myActions )
+		{
+			if ( t.put )
+				put( t.stack, t.iw );
+			else
+				remove( t.stack, t.iw );
+		}
+	}
+	
+	public boolean containsKey( IAEStack stack )
+	{
+		return container.containsKey( stack );
+	}
+	
+	public Set<ItemWatcher> get( IAEStack stack )
+	{
+		return container.get( stack );
+	}
+
+	public boolean put( IAEStack stack, ItemWatcher iw )
+	{
+		if ( transactions != null )
+		{
+			transactions.add( new SavedTransactions( true, stack, iw ) );
+			return true;
+		}
+		else
+			return container.put( stack, iw );
+	}
+
+	public boolean remove( IAEStack stack, ItemWatcher iw )
+	{
+		if (  transactions != null )
+		{
+			transactions.add( new SavedTransactions( true, stack, iw ) );
+			return true;
+		}
+		else
+			return container.remove( stack, iw );
+	}
+
+}
diff --git a/me/storage/ItemWatcher.java b/me/storage/ItemWatcher.java
index a97539ebe..08a990f68 100644
--- a/me/storage/ItemWatcher.java
+++ b/me/storage/ItemWatcher.java
@@ -42,7 +42,7 @@ public class ItemWatcher implements IStackWatcher
 		@Override
 		public void remove()
 		{
-			gsc.interests.remove( myLast, watcher );
+			gsc.interestManager.remove( myLast, watcher );
 			interestIterator.remove();
 		}
 
@@ -68,7 +68,7 @@ public class ItemWatcher implements IStackWatcher
 		if ( myInterests.contains( e ) )
 			return false;
 
-		return myInterests.add( e.copy() ) && gsc.interests.put( e, this );
+		return myInterests.add( e.copy() ) && gsc.interestManager.put( e, this );
 	}
 
 	@Override
@@ -88,7 +88,7 @@ public class ItemWatcher implements IStackWatcher
 		Iterator<IAEStack> i = myInterests.iterator();
 		while (i.hasNext())
 		{
-			gsc.interests.remove( i.next(), this );
+			gsc.interestManager.remove( i.next(), this );
 			i.remove();
 		}
 	}
@@ -120,7 +120,7 @@ public class ItemWatcher implements IStackWatcher
 	@Override
 	public boolean remove(Object o)
 	{
-		return myInterests.remove( o ) && gsc.interests.remove( o, this );
+		return myInterests.remove( o ) && gsc.interestManager.remove( (IAEStack)o, this );
 	}
 
 	@Override
diff --git a/parts/AEBasePart.java b/parts/AEBasePart.java
index fb3db4067..0ba1f2a29 100644
--- a/parts/AEBasePart.java
+++ b/parts/AEBasePart.java
@@ -16,6 +16,7 @@ import net.minecraft.inventory.IInventory;
 import net.minecraft.item.ItemStack;
 import net.minecraft.nbt.NBTTagCompound;
 import net.minecraft.tileentity.TileEntity;
+import net.minecraft.util.IIcon;
 import net.minecraft.util.Vec3;
 import net.minecraft.world.World;
 import net.minecraftforge.common.util.ForgeDirection;
@@ -500,4 +501,10 @@ public class AEBasePart implements IPart, IGridProxyable, IActionHost, IUpgradea
 		return is.hasDisplayName();
 	}
 
+	@Override
+	@SideOnly(Side.CLIENT)
+	public IIcon getBreakingTexture()
+	{
+		return null;
+	}
 }
\ No newline at end of file
diff --git a/parts/CableBusContainer.java b/parts/CableBusContainer.java
index e60d11081..2e4347710 100644
--- a/parts/CableBusContainer.java
+++ b/parts/CableBusContainer.java
@@ -434,7 +434,6 @@ public class CableBusContainer implements AEMultiTile, ICableBusContainer
 					bch.addBox( 6.0, 6.0, 6.0, 10.0, 10.0, 10.0 );
 				else
 					part.getBoxes( bch );
-
 			}
 
 			if ( includeFacades && s != null && s != ForgeDirection.UNKNOWN )
diff --git a/parts/PartBasicState.java b/parts/PartBasicState.java
index c0fc15e27..6fedb290f 100644
--- a/parts/PartBasicState.java
+++ b/parts/PartBasicState.java
@@ -7,6 +7,7 @@ import java.io.IOException;
 import net.minecraft.client.renderer.RenderBlocks;
 import net.minecraft.client.renderer.Tessellator;
 import net.minecraft.item.ItemStack;
+import net.minecraft.util.IIcon;
 import net.minecraftforge.common.util.ForgeDirection;
 import appeng.api.implementations.IPowerChannelState;
 import appeng.api.networking.GridFlags;
@@ -129,4 +130,10 @@ public class PartBasicState extends AEBasePart implements IPowerChannelState
 		return (clientFlags & CHANNEL_FLAG) == CHANNEL_FLAG;
 	}
 
+	@Override
+	@SideOnly(Side.CLIENT)
+	public IIcon getBreakingTexture()
+	{
+		return CableBusTextures.PartTransitionPlaneBack.getIcon();
+	}
 }
diff --git a/parts/automation/PartExportBus.java b/parts/automation/PartExportBus.java
index 488521cb9..82a15de18 100644
--- a/parts/automation/PartExportBus.java
+++ b/parts/automation/PartExportBus.java
@@ -27,6 +27,9 @@ import appeng.core.sync.GuiBridge;
 import appeng.me.GridAccessException;
 import appeng.util.InventoryAdaptor;
 import appeng.util.Platform;
+
+import com.google.common.collect.ImmutableList;
+
 import cpw.mods.fml.relauncher.Side;
 import cpw.mods.fml.relauncher.SideOnly;
 
@@ -166,7 +169,7 @@ public class PartExportBus extends PartSharedItemBus implements IGridTickable
 
 					if ( getInstalledUpgrades( Upgrades.FUZZY ) > 0 )
 					{
-						for (IAEItemStack o : inv.getStorageList().findFuzzy( ais, fzMode ))
+						for (IAEItemStack o : ImmutableList.copyOf( inv.getStorageList().findFuzzy( ais, fzMode ) ))
 						{
 							pushItemIntoTarget( d, energy, fzMode, inv, o );
 							if ( itemToSend <= 0 )
diff --git a/parts/automation/PartLevelEmitter.java b/parts/automation/PartLevelEmitter.java
index 4711d8e3d..bfba6970e 100644
--- a/parts/automation/PartLevelEmitter.java
+++ b/parts/automation/PartLevelEmitter.java
@@ -531,6 +531,12 @@ public class PartLevelEmitter extends PartUpgradeable implements IEnergyWatcherH
 		// super.renderWorldBlock( world, x, y, z, block, modelId, renderer );
 	}
 
+	@Override
+	public IIcon getBreakingTexture()
+	{
+		return is.getIconIndex();
+	}
+
 	@Override
 	public void getBoxes(IPartCollsionHelper bch)
 	{
diff --git a/parts/misc/PartCableAnchor.java b/parts/misc/PartCableAnchor.java
index 036262ff5..f60e13b64 100644
--- a/parts/misc/PartCableAnchor.java
+++ b/parts/misc/PartCableAnchor.java
@@ -230,4 +230,10 @@ public class PartCableAnchor implements IPart
 	{
 		return what == BusSupport.CABLE || what == BusSupport.DENSE_CABLE;
 	}
+
+	@Override
+	public IIcon getBreakingTexture()
+	{
+		return null;
+	}
 }
diff --git a/parts/misc/PartInterface.java b/parts/misc/PartInterface.java
index 14236ce9d..89f744afb 100644
--- a/parts/misc/PartInterface.java
+++ b/parts/misc/PartInterface.java
@@ -11,6 +11,7 @@ import net.minecraft.inventory.InventoryCrafting;
 import net.minecraft.item.ItemStack;
 import net.minecraft.nbt.NBTTagCompound;
 import net.minecraft.tileentity.TileEntity;
+import net.minecraft.util.IIcon;
 import net.minecraft.util.Vec3;
 import net.minecraftforge.common.util.ForgeDirection;
 import appeng.api.implementations.tiles.ISegmentedInventory;
@@ -131,6 +132,12 @@ public class PartInterface extends PartBasicState implements IGridTickable, ISeg
 		renderLights( x, y, z, rh, renderer );
 	}
 
+	@Override
+	public IIcon getBreakingTexture()
+	{
+		return is.getIconIndex();
+	}
+
 	@Override
 	public void getBoxes(IPartCollsionHelper bch)
 	{
diff --git a/parts/misc/PartToggleBus.java b/parts/misc/PartToggleBus.java
index fc71b3430..d9ca8a11e 100644
--- a/parts/misc/PartToggleBus.java
+++ b/parts/misc/PartToggleBus.java
@@ -9,6 +9,7 @@ import net.minecraft.entity.player.EntityPlayer;
 import net.minecraft.item.ItemStack;
 import net.minecraft.nbt.NBTTagCompound;
 import net.minecraft.tileentity.TileEntity;
+import net.minecraft.util.IIcon;
 import net.minecraftforge.common.util.ForgeDirection;
 
 import org.lwjgl.opengl.GL11;
@@ -186,6 +187,12 @@ public class PartToggleBus extends PartBasicState
 		renderLights( x, y, z, rh, renderer );
 	}
 
+	@Override
+	public IIcon getBreakingTexture()
+	{
+		return is.getIconIndex();
+	}
+
 	@Override
 	public void getBoxes(IPartCollsionHelper bch)
 	{
diff --git a/parts/networking/PartCable.java b/parts/networking/PartCable.java
index 1c63e96cd..7b71d7e0c 100644
--- a/parts/networking/PartCable.java
+++ b/parts/networking/PartCable.java
@@ -330,6 +330,46 @@ public class PartCable extends AEBasePart implements IPartCable
 				connections.clear();
 		}
 
+		IPartHost ph = getHost();
+		if ( ph != null )
+		{
+			for (ForgeDirection dir : ForgeDirection.VALID_DIRECTIONS)
+			{
+				IPart p = ph.getPart( dir );
+				if ( p instanceof IGridHost )
+				{
+					double dist = p.cableConnectionRenderTo();
+
+					if ( dist > 8 )
+						continue;
+
+					switch (dir)
+					{
+					case DOWN:
+						bch.addBox( 6.0, dist, 6.0, 10.0, 6.0, 10.0 );
+						break;
+					case EAST:
+						bch.addBox( 10.0, 6.0, 6.0, 16.0 - dist, 10.0, 10.0 );
+						break;
+					case NORTH:
+						bch.addBox( 6.0, 6.0, dist, 10.0, 10.0, 6.0 );
+						break;
+					case SOUTH:
+						bch.addBox( 6.0, 6.0, 10.0, 10.0, 10.0, 16.0 - dist );
+						break;
+					case UP:
+						bch.addBox( 6.0, 10.0, 6.0, 10.0, 16.0 - dist, 10.0 );
+						break;
+					case WEST:
+						bch.addBox( dist, 6.0, 6.0, 6.0, 10.0, 10.0 );
+						break;
+					default:
+						continue;
+					}
+				}
+			}
+		}
+
 		for (ForgeDirection of : connections)
 		{
 			switch (of)
@@ -370,6 +410,13 @@ public class PartCable extends AEBasePart implements IPartCable
 		rh.setTexture( null );
 	}
 
+	@Override
+	@SideOnly(Side.CLIENT)
+	public IIcon getBreakingTexture()
+	{
+		return getTexture( getCableColor() );
+	}
+
 	@SideOnly(Side.CLIENT)
 	public void rendereGlassConection(int x, int y, int z, IPartRenderHelper rh, RenderBlocks renderer, ForgeDirection of)
 	{
diff --git a/parts/p2p/PartP2PTunnel.java b/parts/p2p/PartP2PTunnel.java
index fad470381..bf61d8cc8 100644
--- a/parts/p2p/PartP2PTunnel.java
+++ b/parts/p2p/PartP2PTunnel.java
@@ -331,6 +331,13 @@ public class PartP2PTunnel<T extends PartP2PTunnel> extends PartBasicState
 		renderLights( x, y, z, rh, renderer );
 	}
 
+	@Override
+	@SideOnly(Side.CLIENT)
+	public IIcon getBreakingTexture()
+	{
+		return CableBusTextures.BlockP2PTunnel2.getIcon();
+	}
+
 	protected void QueueTunnelDrain(PowerUnits unit, double f)
 	{
 		double ae_to_tax = unit.convertTo( PowerUnits.AE, f * AEConfig.TunnelPowerLoss );
diff --git a/util/inv/IMEAdaptor.java b/util/inv/IMEAdaptor.java
index 26e4d1c7c..11af2efe7 100644
--- a/util/inv/IMEAdaptor.java
+++ b/util/inv/IMEAdaptor.java
@@ -13,6 +13,8 @@ import appeng.api.storage.data.IItemList;
 import appeng.util.InventoryAdaptor;
 import appeng.util.item.AEItemStack;
 
+import com.google.common.collect.ImmutableList;
+
 public class IMEAdaptor extends InventoryAdaptor
 {
 
@@ -44,7 +46,7 @@ public class IMEAdaptor extends InventoryAdaptor
 
 		IAEItemStack out = null;
 
-		for (IAEItemStack req : getList().findFuzzy( reqFilter, fuzzyMode ))
+		for (IAEItemStack req : ImmutableList.copyOf( getList().findFuzzy( reqFilter, fuzzyMode ) ))
 		{
 			if ( req != null )
 			{