Blu-ray has become the de-facto high-definition disc format after emerging triumphant from the format war with HD-DVD and now, Blu-ray players are ubiquitous. The first decks were slow, cumbersome affairs, but these days Blu-ray players are slick, smart entertainment machines, able to stream online content via Wi-Fi and pull media from NAS drives. Of course, their main job is to spin 1080P or 4K Blu-ray discs, accompanied by immersive Dolby Atmos or DTS HD Master Audio. Blu-ray players range from high-end machines with tank-like build quality down to entry-level decks, but whatever your budget they deliver crisp, vibrant pictures that show your favourite movies in a whole new light.