http://blogs.technet.com/office/archive/2008/08/22/windows-seven-think-2010.aspxUPDATE : The original post reference I made was from the last summer (2007 !). Since that time shipping date was expected a little bit earlier as stated in this more recent post. Sorry for that.   Windows 7: Now a late 2009 deliverable (again) ItfrCommunityServer 2.1 SP1 (Build: 61025.2)