Unfortunately AMD's reviewer driver did not ship with working CrossFire profiles for Batman Arkham City and Elder Scrolls Skyrim. Battlefield 3 at 2560x1600 also fell back to single GPU performance, even though lower resolutions scale just fine. While I am confident AMD that will provide working CrossFire profiles for these major titles soon, they really need to work on getting their driver support to work right at launch day, when loads of people want to play these games.
Let's see, that's three big websites (and TechPowerUp and ComputerBase have worldwide respect) claiming CF driver issues on 7970s.
These people are all professional reviewers- if they're not getting games working, what hope do average gamers have?