“Although primarily designed for the business travel and education markets, this 175mm x 51.5mm x 138mm (width, height, depth) makes a smashing little home entertainment machine, particularly where space is at a premium. It runs cool - a chocolate bar left on top of it would probably still be good to eat after a two hour movie - and according to ViewSonic the LED illumination has an expected life of 30,000 hours, meaning there are no expensive lamps to replace. Official ViewSonic price: £499. What's not to like? 4/5”