Yesterday Jeff Beehler blogged about the finalised guidance for configuring your TFS 2005 Server to utilise Windows SharePoint Services 3.0 (Out of the box it includes WSS 2.0). Of course you may want to wait until the Orcas Release of TFS which will have WSS 3.0 built in.
Now I'm no SharePoint expert but having a read of What's new in Microsoft Windows SharePoint Services 3.0 has definitely whet my appetite for this.
Some highlights include:
I'll post some more details when I've had a chance to experiment more with WSS 3.0 and TFS.