I don't have it.  Runs fine, no stutters and FPS is good.  But then, I never had any problem running the software, from June 6 when it came out.  Not to say that I played it constantly, but that had nothing to do with the way it ran.
Duron 700, 512m RAM, GF2, no prob.  AMD running at 1800, 1 Gig RAM, GF4, no problem.