Sony's UBP-X800 4K Blu-ray player comes with Dolby Vision support

After giving us a taster of what was to come with a prototype version last year, Sony’s first 4K Ultra HD Blu-ray player is here. The UBP-X800 will do just what you’d expect from a 4K player: handle 4K Blu-ray discs and streaming from 4K-compatible services….