Got the Vista Ultimate last year Beta 2 Build 5744 RC2
Its still on the kids Athlon 64bit 3700, he prefers it, i dont. Dual boot with XP64.
Had it on this stable overclocked E6600, 2gb ram on a triple boot at one stage, along with XP64, never broke a sweat.
There are more drivers available for Vista and new hardware is being made with this in mind.
Had issues with Nero7, wouldnt have it. Most existing and dated hardware runs as smooth as silk, USB drives, cameras, multicard readers, tv cards, PDA, numerous phones, etc
This XP64 is a right pain, no drivers and not a lot of hardware runs correctly if at all. PDA, camera, phones, multicard reader, Autoroute express off hand wont have it and some others. Funny my old Epson printer from 2000 runs straight off no problem, but had issues with XP and, Win 98SE.
For the home user it looks superb and ideal for home entertainment. Dont like the layout and couldnt get used to it, almost as bad as IE7.
It would still be on this mc if i didnt have to reinstall XP64 from disc, lost everything else, there again i usually format the drives periodically, this ones long overdue.