then gtx 570 is much better with latest driver installed.
Much better in what?!
The GTX 570 do have lower temps, consumption, and less noisier.
But if the game scales properly it's slower than SLI GTX 460 768mb, and more expensive (specially if the person already have 1 GTX 460 card, the upgrade path comes with hundred bucks or so).
Much better is a dangerous statement since a card have MANY aspects to be analyzed.