I would most certainly pick a different power supply - your components total up to roughly 310W, not sure what you need 1050W PSU for. More importantly I'd doubt that 'Kingwin' could put out anywhere near to 1000W I'd suggest picking a PSU that has a well known and tested brand name like Antec, Enermax or PC Power and Cooling. This sits in the same price range, still has enough wattage to run CrossFire with ease, and comes with a 5 year warranty(from a company that usually has 24 hour turn around time on RMAs). I'd also pick the 7850 2GB over the 6870 - it's gonna run cooler, will be a bit faster all around, has 2G of RAM which is becoming rather useful for a lot of newer games, supports DX 11.1 and WDDM 1.2, and will have better future driver support since it's built with AMD CGN. I'd spend the extra $15 and get this HDD which will give you SATA 6G(Bit a moot point since the board you picked is a B75 - only a single 6G port on that chipset), features double the cache, and a is a current drive(all of the 1.5TB HDD have been dropped from production).