I've loaded up VS2010 beta 2 and TFS2010 beta 2 onto my server. First impressions, what an easy install for both apps. I mean really easy. TFS2010 installed in about 30 minutes and is fully operational. Already connected and creating projects. That was very cool. The more I use VS2010, the more I'm getting hooked. However, the biggest issue for me with VS2010 b2 is that there is currently NO support for smart devices. I was told by Angela from Microsoft that the Win Mobile team is about two months behind on plug-in for VS2010 so don't expect something until February or later.
I was told yesterday at a Microsoft event in Waukesha that March 22, 2010 is the launch date of the new tools. I watched presentations from on the new testing tools coming from Microsoft. Looks interesting, if you are working in an dev environment that has dedicated testers. The down side is that the tools will NOT be included in MSDN subscription which means that they probably won't be adopted by many companies any time soon.