If it's for RDR and RDR 2, just buy a used PS3 for RDR and buy RDR 2 on PC. You'll need the PS3 for RDR anyway (or XBOX 360), because PlayStation Now is a depressingly reduced experience that often fails to load. And don't worry...it's coming on PC. At this point, it's practically the same thing any way.
I have been a dedicated console gamer from NES through launch PS4, and finally made the jump to build a gaming PC after I bought a 55" 4K TV and found out the PS4 NEO (at the time) wasn't going to render natively at 3840x2160...and I just can't go back. Can't. Impossible. Tried. Can't.
Granted, it cost me 3x as much $$$ to get here, but if you get a new console it's just that much less $$$ available to get to The Promised Land.