"Remember, if the GTX 580 is a monster, cayman will have to be cheaper. If the GTX 580 doesn't win, we get stuck seeing above MSRP Cayman cards. "


You do realize that the 580 is going to be a novelty, right..? With absolutely no significant use, or placement. It's existence is to save face but it won't be cost/performance orientated. Honestly, what do u think the 580 will cost?