bill - 12:34 am on Oct 23, 2010 (gmt 0)
Although I like Windows 7 and use it on many of my machines, my main workstation runs on 64-bit Vista, and my primary home machine is still on XP. I actually prefer the Vista for its layout. It's also one of the most stable OSs I've run. Like incrediBILL, I have a lot of power on my Vista workstation and so I never came across any of the problems that most people complained about.