I don't get why you guys say Full HD no difference? Even LCD monitors are full HD on 21.5inch or something. I don't see why there's no difference? Isn't it depending on what content you watch? If my video is a 1080p resolution but I watch it on 720p resolution, won't it have black bars or something?

Sometimes when you buy TV, it's for 10 years. So you gotta have a TV that's ready for future usage.