Microsoft are offering beta versions of Vista 32 & 64bit for download and testing, it will work till June 2007
http://www.microsoft.com/windowsvist...y/preview.mspx
I've just installed it and from first impressions it looks pretty nifty, the only thing that I havn't got working yet is my sound card but apart from that it's well worth a look, at least you can try before you buy
