SQl Server 2005 Build Uninstall Wizard
You've probably seen web being full of those uninstall instructions for SQL2005 betas & CTPs in conjuction with VS2005. This comes late, but there is also uninstall wizard included in SQL2005. See following post for details
http://blogs.msdn.com/astebner/archive/2005/06/14/429194.aspx