Has been rated quite well, some issues with backlighting (as expected):
http://www.avforums.com/review/samsung-hu8500-ue65hu8500-curved-ultra-hd-4k-led-tv-review.10154#sectionAnchor32491
http://www.avforums.com/review/samsung-hu8500-ue65hu8500-curved-ultra-hd-4k-led-tv-review.10154#sectionAnchor32491