I play that game maxed @1024x768 on my GF3... something is definetly wrong. My system is below.
Granted the card you have isnt the greatest deal price performance wise but is NOT slow. It should be on par or above my GF3.. which is ages old yet not 'slow' IMO.
No, its not up to par with a 9700 non pro or a bunch of other enthusiast cards.
Then again Im the one critisized for being happy with G0F4MX performance (slower than what you have) and it runs Q3A, NWN, Counter Strike, WC3 and EQ.. what the hell else do you want, some crappy trendy shooter that wont stand the test of time or maybe 3dmark. btw, this is not a question just a point.
Your card is 'fast' and should run that game, check the forums for FX series specific problems.
My recommendation if it is a game specific problem is simply wait it out until new NV drivers come out, don't bail yet over one game.
If you are going to spend more money the 9700non pro is the way to go for you.
Athlon 1700+, Epox 8RDA (NForce2), Maxtor Diamondmax Plus 9 80GB 8MB cache, 2x256mb Crucial PC2100 in Dual DDR, Geforce 3, Audigy, Z560s, MX500