Well it would depend on if the game engine is optimized to take advantage of crossfired cards, once they reveal which engine they are using, we will find out rather quickly. With that said, I know the latest version of OpenGL handles crossfire/SLi compatibility without any issues; In the past it was up to the user to set up the game client correctly as well as manually adjust their driver settings so it could handle it because in the past OpenGL could only read the second card under certain circumstances, such as the game running in full screen. Personally I still prefer a single card, to tandom cards, because with tandom cards last time I checked you only make use of half the power of the second/third etc card(s). But pretty sure everyone knows that, unless the situation has changed; I haven't done crossfired since my last set of cards which was 5 years ago. Pretty sure back then DirectX had soo many problems with reflection rendering when using crossfire.