VSTS 2008 Team Foundation Server Power Tools - December release
Visual Studio Team System 2008 Team Foundation Server Power Tools is a set of enhancements, tools and command-line utilities that improve the Team Foundation Server user experience. For an overview of what's new in this release, see New in this Release.
Download the VSTS 2008 Team Foundation Server Power Tools (6.8 MB)
Remember - If you want to install the Best Practises Analyzer, you'll need to download Powershell if it is not already on your machine. Don't worry too much about this as the installer will detect if Powershell is missing and give you a download link you can easily use.
If you're not using VSTS 2008 yet, you can still access download the VSTS 2005 Team Foundation Server Power Tools.