ummmmmmmm.... for ram and cpu, the bigger the number, the better (usually) and for GeForce, it depends for which game, and for what... blah blah blah. overall, GeForce is better. if you want a good budget card, then get the voodoo3.
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MaH SyStEm:
PIII 450, 128 RAM, i740 (the i740 was last year's best midrange 2d card, so ha!) voodoo2 sli, 4.8X toshiba DVD, 4x4x20 cd-rw