Lol I was just reading some things about vista and MS still says you will still need at least a 3.0 GHZ processor and recommended 1 GB ram. I thought they would have lowered it by now since its closer to being completed.
LOL!! I don't even think there are that many 64bit processors that are 3.0 ghz yet.
http://www.tgdaily.com/2006/01/07/vista_requirements/
edit: unless they are talking about 3.0 ghz for pentium and 3000+ for amd.