I am pondering a question of what the better option for my system would be. Right now I have an i7 5820k with a single gtx 980. The case that I have is the Corsair c70 and I am wondering if I should add a second 980 or possibly water cool my system. The components that I have chosen for my custom loop are around $600 and a new graphics card would be around $500. As of now I am only running a 120hz 1080p monitor. I do not know which one would be more beneficial in this situation. Any help would be much appreciated!