Apple TV 4K review: Making 4K affordable
A lot can happen in two years. Whole industries can shift, evolve, or even die. In the 24 months since 2015's Apple TV launch - which was all about games - we've seen an increasing transition to 4K resolution and high dynamic range (HDR) content .
4K HDR/Dolby Vision support means great visuals; affordable 4K movies in iTunes store - and whatever you buy will be upgraded to best quality as and when available; cross-service Siri search
Expensive hardware purchase; Amazon Prime Video missing at launch; many 4K TVs offer same streaming services; no Dolby Atmos sound (yet