Not only did Microsoft just recently post Beta 2 of Visual Studio 2008 (Orcas) a few days ago, but yesterday Microsoft made a CTP of the next generation of Visual Studio Team System (codename Rosario) available for download. Craziness ... which do I spend my time with? It's like having two mistresses to pick from.
Anyway, here are the details, if you want to start playing with Rosario: (keep in mind that it won't ship until some time [6,12,18?] months post Visual Studio 2008, so at least 2009):
Finally, and most important, provide feedback to the team using http://connect.microsoft.com.