Im currently running a GTX 770SC ACX from evga. I would like to upgrade but would like some advice. For the money would it be a better investment to go SLI with another 770 or would i see better performance from the 980sc?
Depends if the games you play scale well with SLI.
try to sell your 770 and get a 970 or 2
What resolution are you playing at, and how many GB/s of ram does your current graphics card have?