I hope to put together a full post on MSpec but until then check out Rob Conery's Make BDD your BFF post (which I mostly agree with).
If you're too lazy to click on Rob's post and still reading basically MSpec is Aaron Jensen's twist on a BDD based testing
Read More
UPDATE: Now working in Visual Studio 2005 (not yet tested in 2008, but soon)
Here is a little macro I've been using for a while that I have honestly don't think I could live without at this point. One the most annoying things while working within a large
Read More