The LG 65NANO766QA costs a lot less than many top-end 65-inch 4K TVs we've tested – but there are cheaper 65-inch models available. So, is this mid-range 4K TV's picture and sound quality middle-of-the-road, too? Or is this a big-screen bargain? Read...

The LG 55NANO766QA is a 55-inch 4K TV built around LG's NanoCell display technology, which is designed “to filter out impure colours,” according to the manufacture's marketing. It also happens to cost a lot less than many big-screen models. But is it...