I currently have 2 4850 512MB, but am thinking bout getting a 4870x2 this month. My question is that I cannot seem to get the 4850s Crossfired, and my second port only seems to want to run at x1 instead of x8. If I get a 4870x2 does it work as one card automatically using both cores, or will I have to set up Crossfire? If I can put that in my main slot, and then keep one of the 4850s in the secondary slot even @x1 just to run my 3rd monitor, and use the 4870x2 to it's full capacity, I can live with that, but if I get it, and find out that I can't crossfire and it only uses one core, I'll be pretty pissed after dropping $500 on a card. Does anyone know if it will work automatically?