Today is Sony's big reveal about the PS5 and they announced Gran Turismo 7 with their new lineup of games.
https://www.youtube.com/watch?v=oz-O74SmTSQ
I'm not going to go out of my way to get a PS5, but I may eventually get it anyway since I have a 4K TV now.
Plus, they already said the PS5 is PS4 backwards compatible anyway.