I'd hold out a little longer since your current GPU is handling what you want it to do with ease. The new Nvidia GPUs are coming out soon and prices for these cards will drop.
I've been playing games via Geforce Now for a few months. (I run Geforce Now on a dual core Haswell laptop at work.) It's pretty amazing tech and one of the cool features is I can crank the resolution up to 1440p or 4K while playing on my 1366 x 768 screen. It looks better than native 720p of...
I'm glad someone caught that. I was gonna say that "slapping two engines together" ala W12 and W16 were some of the most amazing ways to increase engine performance. XD