If you're not in a hurry I'd hold off until at least next year when Samsung will release their QD-OLED TV's
https://www.cnet.com/tech/home-enter...thing-we-know/
Also Micro LED's are supposed to be coming soon, which should equal OLED for accurate colors and perfect blacks while being brighter with no possibility of burn-in. At the very least more competition in the high-end TV space should bring down prices