Best Buy offers the Westinghouse 55" 4K LED-Backlit LCD Ultra HD Smart Television, model no. WD55UB4530, for $249.99 with free shipping. That's $50 under our mention from three days ago, $150 off, and the lowest price we've seen for a Westinghouse 55" 4K TV. It features a 3840x2160 (4K) native resolution, streaming apps (including Netflix, Vudu, and Pandora), USB, and three HDMI inputs.