The Visual Studio WIT tools team has published a very nice post pointing the most common issues with Sharepoint and TFS 2010. Check it out at http://blogs.msdn.com/teams_wit_tools/archive/2009/11/24/tfs-2010-beta2-troubleshooting-sharepoint-configuration...
Here I found a good post about how to setup TFS 2010 (and everything else). http://juliocasal.com/archive/2009/11/02/team-foundation-server-2010-beta-2-office-sharepoint-server-2007-single-server-installation-part-1.aspx TFS 2010 is easier to setup than...
If you try to configure the SSO (Single Sign-On) in Sharepoint 2007 for TFS 2010, you migh get the dreaded "Insufficient Rights" error. Configuring the SSO for TFS is not THAT well documented, and you keep finding instructions like "Configure the propper...