Upgrades on the way: 2x4GB DDR3 RAM... Win 7 Pro 64 Bit... Which 660 would you all suggest? Galaxy 66NPH7DN6ZVZ GeForce GTX 660 GC 2GB 192-bit... - Galaxy, $210, $3 shipping, Free AC III EVGA 02G-P4-2660-KR GeForce GTX 660 2GB 192-bit GD... - EVGA $210, Free shipping, Free AC III GIGABYTE GV-N660OC-2GD GeForce GTX 660 2GB 192-bit... - Gigabyte, $210, $7.56 shipping, Free AC III Have not bought any of these GPU brands before, always been an Asus or Sapphire Radeon guy. EVGA and Gigabyte are names I've heard before.