Brian Harry on TFS 2008 System Recommendations and TFS plugin compatability between TFS 2005 and TFS 2008.
Juan Perez on TFS and Requirements: Tasks, Bugs, and Everything Else.
Dominic Hopton on Running Tests as 'MTA'.
Ed Hintz on How to get TFS Power Tool Check-in Policies for VS2005 to work with VS2008.
Eric Jarvi on Calling it the "testing center" would have been more ominous.
Grant Holliday on TFS2008: Restrict Target Framework Version Task and VSTS 2005/2008 Compatability Matrix.