I\'m working on one sub-module of a large project for which is use VSTS 2008.
I have a need to rollback the module to an earlier version (about 4 check-ins previous)
The August 2011 TFS Power Tools added full rollback support right into the Visual Studio 2010 UI.
Download link: http://visualstudiogallery.msdn.microsoft.com/c255a1e4-04ba-4f68-8f4e-cd473d6b971f
This function is also included with TFS 2012.