First of all, i gotta say ive tried to answer myself this question through research but i cant really reach a satisfying conclusion. With all this stuff about xbox one upscaling native 720P etc etc, all i want to know is the following: if i have a full HD hdtv(lg ps70 50'' to b more precise, which i know it may be the best but it still works fine after 4 years, works the same as when i bought it) should i set my output option on both the xbox 360, xbox one(or any console for that matter) to 1080P or to 720P or do i have to switch back and forth based on the native definition of the game? Is it true that for example Killer Instinct looks better if i set my otuput to 720P than if i have it on 1080P which is the optimal for my tv? HELP please i would really appreciate it and im sorry if this is sort of a stupid question but i do need to know which would be the best setup for my games. It would make sense to just leave it at 1080P , but if the upscaler makes it look worse then whats the point? Thank you so much to whoever answers my question.