Bests & Worsts Reviews from Amazon

Unfortunately, I wasn't one of the lucky ones on the "panel lottery". Mine has the dirty screen effect, vertical banding, and is definitely darker in the 4 corners (the last isn't a big deal, to me anyways). There are some videos on youtube that really make the banding/dirty screen effect VERY obvious. I did watch some 4K videos that looked absolutely stunning, minus the parts where the banding jumps out at you. I'm sending this one back, and I'll give it another try and hope I get a good screen this time. I'll update my review (and hopefully the rating!) after the second TV arrives. EDIT: The replacement finally arrived (Amazon sent it one day; UPS dropped the ball and didn't deliver it Friday as scheduled, so I had to wait until Tuesday after the long holiday weekend). This 2nd TV has worse vertical banding than the first one. I can see pretty much every row of LED's behind the screen. I might be giving up with getting it from Amazon and try Best Buy *once*, and then give up on this entire TV if I get another lemon. It's a shame, because the TV seems great otherwise :(