hello there I have a quad core q6600 running at 3 ghtz at low volts and 4 gb of ram on a asus x48 motherboard, I currently have 2 3870 ati cards in crossfire but I feel they are starting to show there age and the terrible anti analising support is starting to show. I game at 1920 by 1080 on a samsung 32 inch led tv purchesed at x mas.The cards play games fine on my 20 inch dell at 1680 by 1050 but the resoluton jump on the new tv kills them in games like metro 2033 and gta 4 even world of warcraft with max details I get poor fps due to awful anti analising performance. Can you spec me a replacement gfx card / cards I have a corsair hx 620 power supply. so x fire /sli should not be a problem idealy buget would be 150 - 200.