IE only (ActiveX crap) http://catalog.update.microsoft.com/v7/site/Search.aspx?q=windows 7 client nvidia raid http://catalog.update.microsoft.com/v7/site/search.aspx?q=windows 7 client People it's a milestone build you shouldn't expect every thing to just work, in fact i would say expect it to totally F'up the system. So don't install it on any system you need to have running. That means production and home systems that you need to have running. I'm just saying don't install it unless your willing to Alpha test. Sure it's working great for most people but don't expect it to be trouble free. Otherwise wait on the official beta.