I tried with the Beta, and now I tried with RC1 to no avail. It just won't install on my system. I have done some looking around on the net, and this is not an uncommon problem it appears. With the Beta version, I eventually did get it installed by disabling all my onboard devices such as the LAN, USB, IEEE394 etc. But with this RC1, no matter what I disable, it freezes upon installation. Just wanted to start a thread in Techspot to kind of keep a log of how things go as I know many people have this same board. I also know that there are some who HAVE been able to install Vista no problems, as well as some who have successfully installed after disabling some of their onboard devices.