I have recently got a Powercolor 5770 and foxconn blackops. I am having 8800GS and connected a Samsung 2494HS monitor. Now i am planning to connect dual monitors to this computer system and i want to ask you guys that does it need a single graphic card for each monitor or it would be okay to run both the monitors with a single graphic card. Another display is Sony Bravia KDL20S4000U. What kind of adapters and cable i will be needing to run dual monitors.