If you happen to be interested in 2010 (and come on - we know you are!), then you should get along to the sneak preview of it at Microsoft. Released on 13th July its a wealth of advanced information for those of you who didn;t manage to get on the TAP and are wondering what its all about.
http://sharepoint.microsoft.com/2010/Sneak_Peek/Pages/default.aspx
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