Good news for AMD users
BozzCollin and JunkyMonkey: Just today heard news that AMD had solved some CF issues and they claim a 60-75% perf boost when used with the CrossFire profile compared to single GPU. So all is not lost.
Spoke with ManuelG about the SLI support and the game won't be SLI-ready when it gets released. Nvidia will release a new driver with an SLI profile for it afterwards