I have never tried Crossfiring two cards before, but I have space and power to burn with this new PC setup. If I understand correctly, you can CF two AMD cars even of different brands as long as they are from the same series. If they are not identical, they faster card slows to the speed of the other card, correct? I was checking out the findings of benchmarks and tests of the 6950 and discovered two key trends: 1.) Overclocking of this card doesn't seem to be that great. The performance gain wasn't that special, and these cards get too hot if you try to overclock beyond a modest amount. Nvidia cards seem to be a better in this regard right now. So this part sucked for me as a new 6950 owner. 2.) The upside of these cards is that CF specs were at times pretty damn awesome. Sometimes the nearly doubled the frames in CF. They appear to have topped SLI, which is something I don't ever remember seeing in the past. I always heard of CF having significantly poorer scaling compared to SLI, but that doesn't seem to be the case with the 6900 series. Therefore, I was considering just grabbing a second 6950 next time I see one on sale for now and put off getting a 6990 and whatever else comes along until I need that type of power. Two 6950s in CF were often not far that behind the 6990 in many tests. I can play lots of high end games in 1080p without too many compromises. I probably won't get much use out of a card with that much memory until there are higher resolution TVs available. CFed 6950s seems to be just fine for 1080p. I am not going to buy half a dozen monitors. I play on my plasma TV, and 7.1 lossless audio is much more important to me than multi-monitor displays. I DO plan to upgrade further when TVs go UltraHD or whatever it's going to be called, and I'm also considering a projection setup, but it seems that may not be for awhile. After learning more about the newest cards, I don't think I'm going to get much benefit while I'm stuck at 1080p. I will go as far as necessary, but I don't want to just waste money for no reason if I'm not going to see any benefits. Plus, I'd like to wait and see if any manufacturer comes up with a better cooling solution to the 6990, which seem to all use the same noisy fan. I was hoping HIS would so something special with the cooling, but this didn't seem to be the case. So here is the big question I need answered that would be easy for any of you who have CFed before (I obviously have not). I have to be able to run this through my receiver, which has been through a single HDMI . Does that CF bridge make the card act as a single card and only require one HDMI I can run through my receiver? Can one HDMI take care of both cards? That is, if card 1 and 2 are CFed, can I just run the HDMI from card 1 only into my receiver/ home theater? If I have 2 HDMI cables to worry about, this probably shoots this plan to hell.