After 1 month of use Lg PN6506 and the correct picture settings, I have to admit a better picture you only get more size for a 4K TV.All is perfectly adequate (60 inches) and for every movie lover home theater pur. USB slot accepts Jeses format mkv, div x, mp3 ect what do you mehr.Zwar but the TV only 2 HDMI inputs there could splitterer Remedy I with an HDMI create the I indeed function already home hatte.Hat not 3D yet I have chose this model because I anyway never 3D sehe.Würd I always buy for the money (900 Euro)