In case you haven't seen this yet..
Team Foundation Server is happy to announce the release of version 1.2 of Team Foundation Power Tools (formerly known as Power Toys). In this release we’ve added 2 new command line tools for the developer and 3 non-command line tools. This version includes some bug fixes to previous Power Tools, support for Vista, and adds the following new functionality:
Please note that the Process Template Editor has some additional pre-requisites, they are identified on the download page.
You can locate the Team Foundation Power Tools V1.2 release here and you can get help on the forums for these tools here.