Check out a asus's mobo that can suport quad core cpu's and 4 graphic cards
http://img.hexus.net/v2/motherboards/intel/asus/p5w64-ws-pro/images/board-big.jpg
http://www.hexus.net/content/item.php?item=6635&page=2
enjoy
http://img.hexus.net/v2/motherboards/intel/asus/p5w64-ws-pro/images/board-big.jpg
http://www.hexus.net/content/item.php?item=6635&page=2
enjoy