SharePoint Joel (http://www.sharepointjoel.com/Lists/Posts/Post.aspx?List=0cd1a63d%2D183c%2D4fc2%2D8320%2Dba5369008acb&ID=243) has a very nice summary of the current state of Office 2010 and SharePoint discussion points that are covered by and released from the current NDA’s.  If you’re looking to blog or present on the new features – take a quick read through the post above.