If you're looking at using Team Foudation Server, but your organization uses more than just Visual Studio, then perhaps Teamprise is a useful tool for you.

"Teamprise is a suite of client applications for accessing Microsoft Visual Studio 2005 Team Foundation Server from outside of the Visual Studio Integrated Development Environment (IDE). Teamprise enables software development teams to use the source control, work item tracking, documents, and reporting features of Team Foundation Server from within the Eclipse IDE, and from other operating systems, including Linux and Mac OS X."