If you're a serious enough gamer to thinking about buying a new TV along with a new Xbox One or PlayStation 4, or even if you're waiting, you should know about TV input lag.
That's the term for the delay, in milliseconds, between a TV receiving a signal and the results of that signal appearing on the screen. Those milliseconds are irrelevant for TV shows and movies, and they don't even matter for most games -- the majority of gamers probably wouldn't even notice if their TV was laggy. But if you're an attentive, skilled gamer, especially one who plays "twitch" games like Call of Duty, Halo, or fighting games, especially in online multiplayer environments, input lag can mean the difference between virtual life and death.
CNET just started testing for input lag this year, and so far we've corralled a bunch of 2013 TVs. Here are the best five TV so far, plus one projector, in ascending order of lag in Game mode -- or the least laggy picture mode, if Game isn't an option. For reference, we grade under 40ms of lag as Good, 40 to 70 as Average, and more than 70 as Poor.
Update, November 11, 2013: Since we last updated this roundup, no TV has cracked the Top 5. In response to reader demand, however, I posted a table at the end of the article that gathers the lag scores of every TV and projector we've tested so far. It will be updated periodically.
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