Dell Home offers the Samsung 50" 4K 2160p WiFi LED-Backlit LCD Ultra HD Smart Television, model no. UN50MU6300, bundled with a $175 Dell Gift Card for $599.99 with free shipping. Assuming you'll use the gift card, that's $75 under last week's mention and the lowest price we've seen. (It's the best today by $173.) It features a native resolution of 3840x2160 (4K), LED backlight, WiFi, Bluetooth, Smart TV apps (Netflix, Pandora, Hulu, etc.), USB, and three HDMI inputs. Deal ends July 31.