David reviews TVs and leads the Personal Tech team at CNET, covering mobile, software, computing, streaming and home entertainment. We provide helpful, expert reviews, advice and videos on what gadget ...

So you've got an HDTV. How do you know it's properly calibrated for the best possible picture? You could invite a technician over for dinner and a movie, but that costs too much and sounds a little ...

A research study by THX claims that as well as improving your TV's picture quality, calibrating it properly could reduce energy consumption by as much as 50 per cent. The THX study evaluated plasma ...