I am looking to see what graphics card I should get; the EVGA SuperClocked 02G-P4-2765-KR G-SYNC Support GeForce GTX 760 2GB 256-bit GDDR5 PCI Express 3.0 SLI Support w/ EVGA ACX Cooler Video Card or the EVGA GeForce GTX 660 SIGNATURE2 LE 3072MB GDDR5 DVI mHDMI DP Graphics Card 03G-P4-2665-KR