Pioneer UDP-LX800 (Black)

Plays a wide range of discs to a very high standard. With BluRay 4K can it be bettered?

Bought this as I wanted to upgrade my cd player, blu-ray player and stereo amp. Listened to a variety of combinations including Marantz, Roksan Caspian and K3 Arcam and several others. Love the sound on both stereo and surround sound. 4k picture is...