Target offers the Samsung 54.6" 4K 2160p LED-Backlit LCD Ultra HD Smart Television, model no. UN55KU6300FXZA, for $549.99 with free shipping. That's $50 under our November mention, which was bundled with a $150 Dell gift card, and the best outright price we've seen for this TV. (It's a low now by $127.) It features a 3840x2160 (4K 2160p) native resolution, 802.11ac wireless, Smart TV apps (Hulu Plus, Netflix, YouTube, more), Bluetooth, USB, and three HDMI inputs.