Here is some news and tips for those who are having, looking or can't avoid running Vista as an "in place" upgrade. Looks like you can't just throw in a legal CD copy of Windows XP and run the install of XP any more. No now you must load Vista on a drive already formatted with a previous Windows install. Ars Technica has more..

http://arstechnica.com/news.ars/post/20070128-8717...