Verified answer

Windows 7 without a doubt. I upgraded to it from Vista and will never go back. It boots faster and uses less resources than Vista.

Vista had a well deserved reputation for being a system hog. Microsoft finally got things right when they released 7.

By a long shot, Windows 7 Professional is much more stable and better than ANY version of Windows Vista in terms of EVERYTHING (including gaming), :)

7 is faster, more stable, and just all around better. Still not as good as OSX, but it is becoming more similar with every visual change. I use 7 on an old vista machine, and I was amazed at the extra speed the computer has.

Windows 7 is much better

I have not used Windows 7.

But, I know Windows Vista is too fat!

Window 7 Ultimate.....................is Awesome....! ! ! ! ! !