I already have one gtx 770, and after seeing how much prices have gone down since I got my first one I was wondering if it is worth getting another to get better performance. The single 770 is awesome but doesn't quite max out games at 1080p, which is okay but I would like better. Although I'm not sure if that is because of my amd FX 8350 processor. Any advice would be awesome. Also I currently have a 750 watt psu so I'm not sure if that is enough to sli.