I am looking to upgrade from my current TV that I have in my home theater - its a Samsung UN75JU6500 75 inch LED TV. I bought it in 2015 and feel its time to upgrade and catch up with the times.

Its placed in a media room, with no windows, so it gets totally dark. I only play movies in there and don't watch regular tv outside from maybe a few youtube trailers or music. Its largely a movie room

The dimensions of the room are 19x13x10 and I sit at 13 ft mark.

Id like to go bigger in size as well ( 85 ), but really caught between all the new terms - OLED, QLED, MiniLED - and a bit confused on which one to get. Im also worried about OLED burn in

Any suggestions or upcoming deals to look out for. Is it better to go with a store that offers unmount / mount service as this TV was a beast to put up.

Thank you