Win7 is faster, more scalable, more stable, MUCH less bug ridden, better security, and supports new tech...than XP
By your rankings, Linux must be the worst OS out there and Windows ME rules with an iron fist.
You are wrong, most dx9 games run faster in winxp and it uses less memory and swap, so the actual experience feels for me actually faster.
"The chain which can be yanked is not the eternal chain." -- G. Fitch