Adorama offers the Samsung 50" 4K 2160p WiFi LED-Backlit LCD Ultra HD Television, model no. UN50HU6950FXZA, for $797.99 with free shipping. (B&H Photo Video, Amazon, TigerDirect and several other merchants either match this deal or charge a few dollars more.) That's tied with our mention from four days ago and the lowest total price we've seen. (Aside from the stores matching this offer, it's a current low by $101.) It has a native resolution of 3840x2160, quad-core CPU, LED backlight, Smart Touch remote, WiFi, Internet Apps (Netflix, Hulu Plus, Amazon Video, more), USB, and four HDMI inputs.

Note that is out of stock at Adorama, but it can still be ordered at this price and will ship when in stock.