A really neat TFS Power Toy (download here) is the Annotation feature. Imagine looking at a source file and seeing in a bar to the left who last changed that line of code. Imagine no further:
The TFS team has produced a TFS Power Toy for comparing directories. (Screen shot). Looks all the world to me like SourceSafe's. Go figure. Hopefully it will move into the application in the future. Here is where you can get it. Brian Harry has a post on how to customize it.
At least I'll get one entry in in September. :-)