Amazon offers the LG 55" 4K 2160p LED-Backlit LCD Smart Ultra HD Television, model no. 55UB8200, for $849 with free shipping. That's $51 under our mention from three weeks ago and the lowest total price we've seen. (It's also a current low by $350.) It features a 3840x2160 resolution (four times that of 1080p), streaming via Netflix, Hulu Plus, and YouTube, and three HDMI ports. Deal ends May 23.