Dell Home offers the Vizio SmartCast M-Series 54.6" 4K 2160p HDR LED-Backlit LCD Ultra HD Smart Home Theater Display, model no. M55-E0, bundled with a $150 Dell Gift Card for $679.99 with free shipping. (Click "Show savings" in cart to see the gift card; it'll arrive via email 10 to 20 days from ship date.) Assuming you'll use the gift card, that's tied with our mention from two weeks ago and the lowest price we could find by $140. It features a 3840x2160 (4K, 2160p) native resolution, full-array LED backlight, 802.11ac wireless, built-in Google Cast (with access to Netflix, Hulu Plus, YouTube, more), Bluetooth 4.1, Google Home connectivity, USB, and four HDMI inputs. Deal ends October 2.