Geforce Performence.

I have a Celeron at 800mhz and has one of those crappy intel chips.(Stupid Windows XP won't let me use my voodoo 4) I'm gonna get a Geforce 2 mx400 64mband I was wondering if it will run without much choppiness on Max Payne with medium details. Can I go any higher? How will it do on Epsxe on Gran Turismo 2 cuz it's the only game that didnt run perfectly on my voodoo. How about N64 emulators? They ran like crap on my 475 AMD w/ Voodoo 4. That's about it. And remember, don't get Windows XP. It ruined my pc. Well maybe someday It'll get better.