As I said in a previous post on Friday I would have to repair the TFS2010 environment it took a little longer than than I would have expected but mostly due to learning SQL 2012 RC0 and my general lack of knowledge using Team Foundation Server 2010 for...
This post assumes that you already have SQL 2008 R2 and SharePoint 2010 Installed. I will be posting a doc in a few days on how to fix a torn down TFS / SharePoint Server after you have re-installed SharePoint. My time was spent repairing my environment...