Can someone tell me some good video cards for computers it needs to be atleast 1gb or 2gb?

i am building a bad out system and want a video card to match can someone help me out i need one that can run two monitors and be able to run a blue ray movie and world of warcraft max settings withought missing a beat tell me what you think and why please|||Asus Ati Radeon HD 5850 with 1440 Stream Processing Units,72 Texture Units 1 Gb DDR5 at 128 or 256 bit (more bit more money) This card has max 1 Gb RAM



Asus Ati Radeon HD 5870 Eyefinity 6/6S/2GD5 has 1600 Stream Processing Units,80 Texture Units, 2 Gb RAM at 256 bit and supports up to 6 monitors



Asus Ati Radeon HD 5970 has 3200 Stream Processing Units,160 Texture Units 2 Gb RAM at 256 bit and supports up to 3 monitors also the dual GPU has up to 4 Gb RAM at 256x2=512 Bit



Last and the one I m using is the Asus Ares HD 5870x2 with 4 Gb Ram at 256x2=512 Bit, up to 3 monitors. This card alone at max settings can play WoW at 80 or 85 FPS|||ati 5770, 5870, 5970 or nvidia gtx 450, 460, or 480