TFS 2013 will aim to suit “larger organizations” looking to manage projects using a variety of different approaches. Microsoft’s Harry acknowledges that his firm’s current tooling is focused on individual teams, but it relies upon reporting and project (and/or project server) integration to “roll it up” for larger organizations

http://www.drdobbs.com/windows/enriched-alm-in-visual-studio-2013-and-t/240156139