http://blogs.msdn.com/b/jpricket/archive/2010/08/09/tfs2010-customizing-the-build-details-view-summary-view.aspx
Stylecop:
http://stylecop.codeplex.com/
Dotcover
http://tfssimplified.blogspot.com/2012/01/integrate-dotcover-into-team-foundation.html