So far I've only played D3 for 2hours and 20min of Paragon as I haven't got anything else. The first impressions of Diablo 3, even though apparently not patched for anything, are very good. I am not sure if it's the TV alone (Samsung 49KS8000) or the PS4 pro doing the magic but it definitely does seem to look better on this setup than maxed out @1200P on PC - and that was on ultrasharp 27" IPS dell so colours there are nothing to sniff at either. The upscaling seems to work very well and everything is very smooth and non pixelated (sitting at only 5-6 feet away from "49 screen I can't see any sharp edges and I have 20/12 vision). The colours look great and the atmosphere just feels so much better than PC (colours are rich but everything is dark but clear and visible, just as the game is supposed to look) + the game just seems to play better. No FPS drops or performance issues that some people have reported on normal PS4.
I will get last of us re-mastered tomorrow, play some on the weekend and do a full review.