diff --git a/source2/Users/Kudzu/Breakpoints/BreakpointsKernel.csproj b/source2/Users/Kudzu/Breakpoints/BreakpointsKernel.csproj
index cfb6882e4..a63cb35c8 100644
--- a/source2/Users/Kudzu/Breakpoints/BreakpointsKernel.csproj
+++ b/source2/Users/Kudzu/Breakpoints/BreakpointsKernel.csproj
@@ -67,7 +67,10 @@
   <ItemGroup>
     <Compile Include="BreakpointsOS.cs" />
     <Compile Include="Int64Test.cs" />
+    <Compile Include="NullableTest.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />
+    <Compile Include="StringBuilderTest.cs" />
+    <Compile Include="StringTest.cs" />
     <Compile Include="Test.cs" />
   </ItemGroup>
   <ItemGroup>
diff --git a/source2/Users/Kudzu/Breakpoints/BreakpointsOS.cs b/source2/Users/Kudzu/Breakpoints/BreakpointsOS.cs
index 5508983e4..e20ecd25d 100644
--- a/source2/Users/Kudzu/Breakpoints/BreakpointsOS.cs
+++ b/source2/Users/Kudzu/Breakpoints/BreakpointsOS.cs
@@ -14,6 +14,18 @@ namespace BreakpointsKernel {
       ClearScreen = false;
     }
 
+    protected override void Run() {
+      Test xTest;
+
+      xTest = new NullableTest();
+      xTest.Run();
+
+      xTest = new Int64Test();
+      xTest.Run();
+
+      TestATA();
+    }
+
     protected override void BeforeRun() {
       Console.WriteLine("Cosmos boot complete.");
     }
@@ -60,25 +72,6 @@ namespace BreakpointsKernel {
       Console.ReadLine();
     }
 
-    void TestNullableTypes() {
-      Console.WriteLine();
-
-      UInt32 x = 32;
-      UInt32? y = x;
-      Console.WriteLine(x);
-      Console.WriteLine(y.Value);
-
-      UInt32 x2 = 64;
-      UInt32? y2 = x2;
-      Console.WriteLine(x2);
-      Console.WriteLine(y2.Value);
-
-      UInt32? y3 = x2;
-      Console.WriteLine(y3.Value);
-
-      Console.ReadLine();
-    }
-
     void TestStringCtor() {
       char[] xChars = new char[5];
       xChars[0] = 'A';
@@ -91,15 +84,6 @@ namespace BreakpointsKernel {
       Console.WriteLine(xString.Length);
     }
 
-    protected override void Run() {
-      Test xTest;
-
-      xTest = new Int64Test();
-      xTest.Run();
-
-      TestATA();
-    }
-
     protected void TestATA() {
       //try {
       //Trace1();
diff --git a/source2/Users/Kudzu/Breakpoints/NullableTest.cs b/source2/Users/Kudzu/Breakpoints/NullableTest.cs
new file mode 100644
index 000000000..50ead29cd
--- /dev/null
+++ b/source2/Users/Kudzu/Breakpoints/NullableTest.cs
@@ -0,0 +1,29 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+
+namespace BreakpointsKernel {
+  public class NullableTest : Test {
+    
+  // Changeset 74104 - BreakpointsOS.cs. TestNullableTypes. 
+  // It appears to work, but whatever value is last used there shows up for the Size value later on in line 123. 
+  // If you comment out the x2 and y2 you will see 32 instead.
+  // How to reproduce this outside of this changeset? Cant seem to repro it here.
+
+  public override void Run() {
+      UInt32 x = 32;
+      UInt32? y = x;
+      Chk(y.Value == 32);
+
+      UInt32 x2 = 64;
+      UInt32? y2 = x2;
+      Chk(y2.Value == 64);
+      Chk(y.Value == 32);
+
+      UInt32? y3 = x2;
+      Chk(y3.Value == 64);
+    }
+
+  }
+}
diff --git a/source2/Users/Kudzu/Breakpoints/StringBuilderTest.cs b/source2/Users/Kudzu/Breakpoints/StringBuilderTest.cs
new file mode 100644
index 000000000..69ae2a844
--- /dev/null
+++ b/source2/Users/Kudzu/Breakpoints/StringBuilderTest.cs
@@ -0,0 +1,9 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+
+namespace BreakpointsKernel {
+  class StringBuilderTest {
+  }
+}
diff --git a/source2/Users/Kudzu/Breakpoints/StringTest.cs b/source2/Users/Kudzu/Breakpoints/StringTest.cs
new file mode 100644
index 000000000..fbd66e0ff
--- /dev/null
+++ b/source2/Users/Kudzu/Breakpoints/StringTest.cs
@@ -0,0 +1,9 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+
+namespace BreakpointsKernel {
+  class StringTest {
+  }
+}