If you are looking at a 61" you may still benefit from 1080P but that would depend on how close you plan on sitting to it. General rule is greater than 50" look at 1080 and less than 50" 720. You will still benefit from 1080 at the 61" you are looking at. The pixels are starting to get quite large at that size and your eye can pick up on them easier.


Jason
M80 v2
VP160 v3
QS8 v2
PB13 Ultra
Denon 3808
Samsung 85" Q70