You want to know everything about compatibility with TFS2010and all the Team Explorer versions, well read this article: http://blogs.msdn.com/team_foundation/pages/compat-matrix-for-2010-rtm-team-foundation-server-to-team-explorer-2008-and-2005.aspx
Disclaimer The posts on this weblog are provided "AS IS" with no warranties, and confer no rights.The opinions expressed herein are my own personal opinions and do not represent my employer's view in anyway.
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