I've been looking at various TV's to replace my Samsung Q9FN and have been looking at 8k TV's (amongst others) to 'future proof', however I see that 8k only runs at 60hz refresh, and HDMI 2.1 cables can only handle 8k at 60hz. I watch a lot of sports (football, F1, Moto GP, WSBK etc) and do game...