Amazon offers its Prime members the Vizio 50" 4K 2160p WiFi LED-Backlit LCD Ultra HD Smart Television model no. M50-C1, for $628. At checkout, it drops to $598. With free shipping, that's tied with our mention from three weeks ago as the lowest outright price we've seen for this TV new. (Outside of the deals below, it's a current best by $30, although some stores charge over $700.) It features a 3840x2160 (2160p) native resolution, Smart TV (with access to Netflix, Hulu Plus, Pandora, and other Vizio Internet apps), USB, and five HDMI inputs.

Of note, for their members, Sam's Club also offers it for $598, and Costco offers it for $598.99, each with free shipping. Additionally, Dell Home, via its Member Purchase Program, offers it for $799.99 $699.99 with a $100 Dell eGift Card and free shipping. Dell's MPP is available to select groups, including students, government employees, military (active and retired), credit union members, and health care workers. Costco's deal ends February 6, and Dell's ends February 16.