diff --git a/integration/modules/NEI.java b/integration/modules/NEI.java
index 93d1e297b..98e7addf9 100644
--- a/integration/modules/NEI.java
+++ b/integration/modules/NEI.java
@@ -10,6 +10,7 @@ import net.minecraft.client.renderer.entity.RenderItem;
 import net.minecraft.inventory.Slot;
 import net.minecraft.item.ItemStack;
 import appeng.client.gui.implementations.GuiCraftingTerm;
+import appeng.integration.BaseModule;
 import appeng.integration.IIntegrationModule;
 import appeng.integration.abstraction.INEI;
 import appeng.integration.modules.NEIHelpers.NEIAEShapedRecipeHandler;
@@ -20,7 +21,7 @@ import appeng.integration.modules.NEIHelpers.NEIInscriberRecipeHandler;
 import appeng.integration.modules.NEIHelpers.NEIWorldCraftingHandler;
 import codechicken.nei.guihook.GuiContainerManager;
 
-public class NEI implements IIntegrationModule, INEI
+public class NEI extends BaseModule implements IIntegrationModule, INEI
 {
 
 	public static NEI instance;
@@ -32,6 +33,9 @@ public class NEI implements IIntegrationModule, INEI
 	Method registerUsageHandler;
 
 	public NEI() throws ClassNotFoundException {
+		TestClass( GuiContainerManager.class );
+		TestClass( codechicken.nei.recipe.ICraftingHandler.class );
+		TestClass( codechicken.nei.recipe.IUsageHandler.class );
 		API = Class.forName( "codechicken.nei.api.API" );
 	}
 
@@ -94,9 +98,16 @@ public class NEI implements IIntegrationModule, INEI
 	@Override
 	public RenderItem setItemRender(RenderItem aeri2)
 	{
-		RenderItem ri = GuiContainerManager.drawItems;
-		GuiContainerManager.drawItems = aeri2;
-		return ri;
+		try
+		{
+			RenderItem ri = GuiContainerManager.drawItems;
+			GuiContainerManager.drawItems = aeri2;
+			return ri;
+		}
+		catch (Throwable t)
+		{
+			throw new RuntimeException( "Invalid version of NEI, please update", t );
+		}
 	}
 
 }
diff --git a/parts/p2p/PartP2PIC2Power.java b/parts/p2p/PartP2PIC2Power.java
index 69f42bfa2..70e744611 100644
--- a/parts/p2p/PartP2PIC2Power.java
+++ b/parts/p2p/PartP2PIC2Power.java
@@ -36,20 +36,24 @@ public class PartP2PIC2Power extends PartP2PTunnel<PartP2PIC2Power> implements i
 			throw new RuntimeException( "IC2 Not installed!" );
 	}
 
-	double OutputPacket;
+	// two packet buffering...
+	double OutputPacketA;
+	double OutputPacketB;
 
 	@Override
 	public void writeToNBT(NBTTagCompound tag)
 	{
 		super.writeToNBT( tag );
-		tag.setDouble( "OutputPacket", OutputPacket );
+		tag.setDouble( "OutputPacket", OutputPacketA );
+		tag.setDouble( "OutputPacket2", OutputPacketB );
 	}
 
 	@Override
 	public void readFromNBT(NBTTagCompound tag)
 	{
 		super.readFromNBT( tag );
-		OutputPacket = tag.getDouble( "OutputPacket" );
+		OutputPacketA = tag.getDouble( "OutputPacket" );
+		OutputPacketB = tag.getDouble( "OutputPacket2" );
 	}
 
 	@SideOnly(Side.CLIENT)
@@ -84,7 +88,7 @@ public class PartP2PIC2Power extends PartP2PTunnel<PartP2PIC2Power> implements i
 		{
 			for (PartP2PIC2Power t : getOutputs())
 			{
-				if ( t.OutputPacket <= 0.0001 )
+				if ( t.OutputPacketA <= 0.0001 || t.OutputPacketB <= 0.0001 )
 				{
 					return 2048;
 				}
@@ -128,10 +132,17 @@ public class PartP2PIC2Power extends PartP2PTunnel<PartP2PIC2Power> implements i
 		LinkedList<PartP2PIC2Power> Options = new LinkedList();
 		for (PartP2PIC2Power o : outs)
 		{
-			if ( o.OutputPacket <= 0.01 )
+			if ( o.OutputPacketA <= 0.01 )
 				Options.add( o );
 		}
 
+		if ( Options.isEmpty() )
+		{
+			for (PartP2PIC2Power o : outs)
+				if ( o.OutputPacketB <= 0.01 )
+					Options.add( o );
+		}
+
 		if ( Options.isEmpty() )
 		{
 			for (PartP2PIC2Power o : outs)
@@ -142,10 +153,18 @@ public class PartP2PIC2Power extends PartP2PTunnel<PartP2PIC2Power> implements i
 			return amount;
 
 		PartP2PIC2Power x = (PartP2PIC2Power) Platform.pickRandom( Options );
-		if ( x != null && x.OutputPacket <= 0.001 )
+
+		if ( x != null && x.OutputPacketA <= 0.001 )
 		{
 			QueueTunnelDrain( PowerUnits.EU, amount );
-			x.OutputPacket = amount;
+			x.OutputPacketA = amount;
+			return 0;
+		}
+
+		if ( x != null && x.OutputPacketB <= 0.001 )
+		{
+			QueueTunnelDrain( PowerUnits.EU, amount );
+			x.OutputPacketB = amount;
 			return 0;
 		}
 
@@ -162,14 +181,19 @@ public class PartP2PIC2Power extends PartP2PTunnel<PartP2PIC2Power> implements i
 	public double getOfferedEnergy()
 	{
 		if ( output )
-			return OutputPacket;
+			return OutputPacketA;
 		return 0;
 	}
 
 	@Override
 	public void drawEnergy(double amount)
 	{
-		OutputPacket -= amount;
+		OutputPacketA -= amount;
+		if ( OutputPacketA < 0.001 )
+		{
+			OutputPacketA = OutputPacketB;
+			OutputPacketB = 0;
+		}
 	}
 
 }
diff --git a/parts/p2p/PartP2PTunnel.java b/parts/p2p/PartP2PTunnel.java
index 65f9732b6..b00f56df0 100644
--- a/parts/p2p/PartP2PTunnel.java
+++ b/parts/p2p/PartP2PTunnel.java
@@ -1,5 +1,6 @@
 package appeng.parts.p2p;
 
+import java.util.ArrayList;
 import java.util.Collection;
 
 import net.minecraft.client.renderer.RenderBlocks;
@@ -265,7 +266,9 @@ public class PartP2PTunnel<T extends PartP2PTunnel> extends PartBasicState
 
 	public TunnelCollection<T> getOutputs() throws GridAccessException
 	{
-		return (TunnelCollection<T>) proxy.getP2P().getOutputs( freq, getClass() );
+		if ( proxy.isActive() )
+			return (TunnelCollection<T>) proxy.getP2P().getOutputs( freq, getClass() );
+		return new TunnelCollection( new ArrayList(), getClass() );
 	}
 
 	public void onChange()