we all know microsoft sucks. winXP is a memory hog and a inferiorer in performance to w2k of win98 on the same hardware. In order to get XP benifits it is nessecary to upgrade you hardware. (plus it is a pain in the ass to use anyways)
If you don't like XP then why don't you go with Linux. Its a bit of a culture shock to switch over to be sure, however it is a much more straight forward OS. It makes much more sense to deal with a bunch of text files in /etc folder for your configuration needs than deal with the 27,000 or so wreched hexadecible entrys! Plus as far as a VM managment, multiuser support, server ability, price, multitasking, stability, and networking capabilities Microsoft still can't hold a candle to Linux (or any other *nix, for that matter)!
If its games you like, just stick with the PS/2 or gamecube. Don't worry, in a couple years specialised gaming computers will surpass the PC for entertainment purposes anyways. If you need a more 'intellectual' challenge, treat your computer like a game, learn how to program and learn how to create things and contibute to a online community, instead of spending time struggling around Microsoft's weak points or learning howto steal (borrow) software.
If that still doesn't light your candle. Try going dual boot with Linux and Win98. As long as you only use the WIn98 for gaming and only run one program at a time then it is a fine performer, and you won't need to habitually upgrade your hardware every 6 six months or so when your resources begin to fill up.
Now if that doesn't do it for you. Save up your money and go with Mac's. They have decent gaming support and are speedy.
Instead of try to shaft microshaft, by using it's software. All you are doing is supporting Bill Gates, even if you are not paying for it. Internet companies, gaming and hardware companies have limited resources when it comes to R&D. If the majority of people are using Windows even if they are not paying for it, those companies will spend money taloring their products to fit the demographic, and therefore supporting Bill Gates and his minons for free.
You can't compain about Microsoft's unfair business practices when you are profitting from them!!!!