Due to a catastrophic error on my PC, I recently reinstalled Windows and went for Vista 64. It seems a little more responsive than the 32 bit version, but that could be just because it has less garbage on it than before...
After resintalling all my dev stuff (VS 2008, SQL 2008, TestDriven.Net, MbUnit, Telerik controls etc) I found that my MbUnit tests would not run via TestDriven.Net. I found the solution (via Google) within a few minutes. If Dave Bouwman had not bothered to blog his solution, I would have spent hours smacking my head against the wall, so thank you Dave!
------ Test started: Assembly: TileServer.Core.Tests.dll ------
The target type doesn't contain tests from a known test framework or a 'Main' method.
If you see this error after installing Vista64, it is because if an error installing some registry keys. Check out Dave's blog for the solution: