Just a quick post to alert you to an upcoming Webcast:
Microsoft Office System Webcast: Tips and Tricks for Groove 2007, Provide Anywhere, Anytime Access to People and Information (Level 100)
http://msevents.microsoft.com/CUI/WebCastEventDetails.aspx?EventID=1032383098&EventCategory=4&culture=en-US&CountryCode=US
link to this article: http://blogs.technet.com/groove/archive/2008/09/09/upcoming-webcast-on-tips-and-tricks-for-groove-2007.aspx