--- a/Properties/AssemblyInfo.cs
+++ b/Properties/AssemblyInfo.cs
@@ -39,7 +39,7 @@
 // The assembly version has the format "{Major}.{Minor}.{Build}.{Revision}".
 // The form "{Major}.{Minor}.*" will automatically update the build and revision,
 // and "{Major}.{Minor}.{Build}.*" will update just the revision.
-[assembly: AssemblyVersion("0.11.0.*")]
+[assembly: AssemblyVersion("0.12.0.*")]
 // The following attributes are used to specify the signing key for the assembly,
 // if desired. See the Mono documentation for more information about signing.
 //[assembly: AssemblyDelaySign(false)]

--- a/VOID.csproj
+++ b/VOID.csproj
@@ -9,6 +9,7 @@
     <RootNamespace>VOID</RootNamespace>
     <AssemblyName>VOID</AssemblyName>
     <CodePage>65001</CodePage>
+    <UseMSBuildEngine>False</UseMSBuildEngine>
     <TargetFrameworkVersion>v3.5</TargetFrameworkVersion>
     <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
     <ReleaseVersion>0.11</ReleaseVersion>

--- a/VOID_Core.cs
+++ b/VOID_Core.cs
@@ -81,7 +81,7 @@
 		 * Fields
 		 * */
 		protected string VoidName = "VOID";
-		protected string VoidVersion = "0.11.0";
+		protected string VoidVersion;
 
 		protected bool _factoryReset = false;
 
@@ -992,6 +992,10 @@
 		{
 			this._Name = "VOID Core";
 
+			System.Version version = this.GetType().Assembly.GetName().Version;
+
+			this.VoidVersion = string.Format("{0}.{1}.{2}", version.Major, version.Minor, version.MajorRevision);
+
 			this._Active.value = true;
 
 			this._skinName = this.defaultSkin;

--- a/VOID_HUDAdvanced.cs
+++ b/VOID_HUDAdvanced.cs
@@ -134,7 +134,7 @@
 					VOID_Data.vesselAngularVelocity.ToSIString(2)
 				);
 
-				if (VOID_Data.stageNominalThrust != 0)
+				if (VOID_Data.stageNominalThrust != 0d)
 				{
 					leftHUD.AppendFormat(
 						string.Intern("Thrust Offset: {0}\n"),
@@ -239,7 +239,7 @@
 				this.leftHUDPos.value = GUI.Window(
 					VOID_Core.Instance.windowID,
 					this.leftHUDPos,
-					this.leftHUDWindow,
+					VOID_Tools.GetWindowHandler(this.leftHUDWindow),
 					GUIContent.none,
 					GUIStyle.none
 				);
@@ -249,7 +249,7 @@
 					this.rightHUDPos.value = GUI.Window(
 						VOID_Core.Instance.windowID,
 						this.rightHUDPos,
-						this.rightHUDWindow,
+						VOID_Tools.GetWindowHandler(this.rightHUDWindow),
 						GUIContent.none,
 						GUIStyle.none
 					);
@@ -589,6 +589,11 @@
 			}
 
 			double interval = (node.UT - currentNodeBurnDuration) - Planetarium.GetUniversalTime();
+
+			if (double.IsNaN(interval))
+			{
+				return string.Intern("NaN");
+			}
 
 			int sign = Math.Sign(interval);
 			interval = Math.Abs(interval);

--- a/VOID_Tools.cs
+++ b/VOID_Tools.cs
@@ -28,6 +28,7 @@
 
 using KSP;
 using System;
+using System.Collections.Generic;
 using UnityEngine;
 
 namespace VOID
@@ -256,6 +257,39 @@
 		}
 		#endregion
 
+		private static Dictionary<int, GUI.WindowFunction> functionCache;
+		public static UnityEngine.GUI.WindowFunction GetWindowHandler(Action<int> func)
+		{
+			if (functionCache == null)
+			{
+				functionCache = new Dictionary<int, GUI.WindowFunction>();
+			}
+
+			int hashCode = func.GetHashCode();
+
+			if (!functionCache.ContainsKey(hashCode))
+			{
+				functionCache[hashCode] = delegate (int id)
+				{
+					try
+					{
+						func(id);
+					}
+					catch (ArgumentException ex)
+					{
+						Debug.LogWarning(
+							string.Format("[{0}]: ArgumentException caught during window call.", func.Target.GetType().Name)
+						);
+						#if DEBUG
+						Debug.LogException(ex);
+						#endif
+					}
+				};
+			}
+
+			return functionCache[hashCode];
+		}
+
 		/// <summary>
 		/// Converts the interval given in seconds to a human-friendly
 		/// time period in [years], [days], hours, minutes, and seconds.

--- a/VOID_VesselInfo.cs
+++ b/VOID_VesselInfo.cs
@@ -66,7 +66,7 @@
 
 			VOID_Data.totalMass.DoGUIHorizontal ("F3");
 
-			VOID_Data.resourceMass.DoGUIHorizontal ("F3");
+			VOID_Data.comboResourceMass.DoGUIHorizontal ();
 
 			VOID_Data.stageDeltaV.DoGUIHorizontal (3, false);
 
@@ -128,6 +128,28 @@
 				return SimManager.LastStage.totalMass - SimManager.LastStage.totalBaseMass;
 			},
 			"tons"
+		);
+
+		public static readonly VOID_DoubleValue stageResourceMass = new VOID_DoubleValue(
+			"Resource Mass (Current Stage)",
+			delegate()
+			{
+				if (SimManager.LastStage == null)
+				{
+					return double.NaN;
+				}
+
+				return SimManager.LastStage.mass - SimManager.LastStage.baseMass;
+			},
+			"tons"
+		);
+
+		public static readonly VOID_StrValue comboResourceMass = new VOID_StrValue(
+			"Resource Mass (curr / total)",
+			delegate()
+		{
+			return string.Format("{0} / {1}", stageResourceMass.ValueUnitString(), resourceMass.ValueUnitString());
+		}
 		);
 
 		public static readonly VOID_DoubleValue stageDeltaV = new VOID_DoubleValue(