You'll need like a 6800 ultra for high detail at 1024x 768, it should still look great with Geforce4 Ti 4800 or Radeon 9500...
at low(er) detail-g4mx wil even look great.
For higher(est) Res at high(est) detaial you'll need a card with 512mb memory, and something like 3.6ghz CPU 2GB mem...

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