HEAD vs. Fx 1.1
Compares CVS HEAD against MS .NET Framework 1.1.
This is generated in the extras step on the x86-64-head-mono build lane.

HEAD vs. Fx 2.x
Compares CVS HEAD against MS .NET Framework 2.0 release.
This is generated in the extras step on the i386-head-mono build lane.

Olive HEAD vs 3.0 assemblies
Compares CVS HEAD against MS .NET Framework 3.0 class libraries.

Microsoft 2.0 vs Microsoft 2.0 SP1 (.NET 3.5, "redbits")
Compares the original Microsoft 2.0 class libraries against the updated "redbits" that were released as part of Microsoft 3.5