I've been told going with SLI is a more hassle than it's worth, driver compatibility, stability, profiles etc. Currently, I have a EVGA SC FTW 4GB 760 and it runs very nicely for $320, 65-70FPS average on BF4, mid 50's minimum. I can afford another 760 no problem, but I was suggested to go with a 780Ti instead of the SLI setup, and I'm not sure if I can sell my 760 very easily, I don't know that many people locally that play PC games. The SLI setup is $100 less, and is said to be 20% faster than a 780Ti. Assuming I can sell my 760, I could probably save up for a 780Ti over time, but not anytime soon, I could get another 760 as early as 2-4 weeks most likely. The best way I can sum up my single SC 760 is a moderate overclock on a 770, with 4GB VRAM, that could use a little more horsepower to completely max out the graphically intensive games and get the best performance.