From what ive heard there is going to be a 32 and 64 bit version and possibly a server version! At this point in time they're in the ALPHA 2 stages i think, so possibly be released late 2006 or early 2007!
There is already a 64bit version of windows xp out m8 http://www.web-systems.co.uk/?page=Products&pid=2244 check that link out m8! hope this helps Dave
