BuyDig via eBay offers the Vizio 55" 4K 2160p 120Hz LED-Backlit LCD Ultra HD Smart Television
, model no. D55u-D1, for $599.99
with free shipping
. That's $280 under our mention from two weeks ago (which also included a $300 Dell gift card) and the lowest total up-front price we've seen. (It's a current low by $88 and a very low price in general for a 55" 4K HDTV.) It features a 3840x2160 resolution (four times that of 1080p), 120Hz refresh rate, 802.11ac wireless, Internet apps (Netflix, Hulu Plus, Amazon Video, more), ambient light sensor, five HDMI ports, and USB.