Here is some information regarding Office and SharePoint 2010:

 http://www.microsoft.com/office/2010/

http://sharepoint.microsoft.com/2010/Sneak_Peek/Pages/default.aspx

http://blogs.msdn.com/sharepoint/archive/2009/07/13/announcing-sharepoint-2010-technical-preview.aspx

http://www.microsoft.com/presspass/presskits/2010office/Default.aspx