At Visual Studio Live event in Seattle, Dave Mendlen announced the final release of Lab Management in Visual Studio 2010 release. In addition to general availability also announced that at "the time of release, Lab Management capability will be immediately available to all customers who've licenses for one of following products: Visual Studio 2010 Ultimate with MSDN, or Visual Studio Test Professional 2010 with MSDN," said Dave.
This release will be available as a single patch which you'll need to apply to TFS, Visual Studio Client, and agents.
VSLive! 2010 Keynote: