I would say the 760 is your bottleneck but I cant imagine it being that much of a bottleneck. However A 980 would probably future proof you for a while. the 980 is $500 USD i think where as the 980TI is $700.
The the real question is do you have an issue with any of your games/sims right now? Or is everything good?
The other thing is Black friday is coming up so you might get a great deal on a better card.
I’m pretty happy with what I have. I’d say the most intense application I run is perhaps X-Plane with some of the heavier scenery packages like Aerosoft Alaska + the HD Mesh…but even that gives me passable FPS. I don’t know that I need to spend $500 for an improvement on already good I guess…(but you know how that is…you just WANT to have more…LOL…)
Oh yeah…forgot about the whole Black Friday / Cyber Monday thing. I’ll keep an eye out for specials…