MS has released a power tool for TFS, and here are the MS hosted forums:

Team Foundation Server – General
Discuss Team Foundation Server general concepts.

Team Foundation Server – Setup
Discuss Team Foundation Server setup and configuration.

Team Foundation Server – Administration
Discuss Team Foundation Server administration and operations.

Team Foundation Server – Version Control
Discuss Team Foundation Version Control, including branching, merging, and shelving.

Team Foundation Server – Work Item Tracking
Discuss Team Foundation Work Item Tracking, including work item customization and Office integration.

Team Foundation Server – Reporting
Discuss Team Foundation Reporting, which uses SQL Server 2005 Reporting services to report team project metrics.

Team Foundation Server – Build Automation
Discuss Team Foundation Server’s build automation features.

Team Foundation Server – Process Templates
Discuss Team Foundation Server process template development and customization.