Walmart offers the refurbished Vizio 55" 4K 2160p LED-Backlit LCD Ultra HD Smart TV, model no. M55-C2, for $471.03 with free shipping. That's $9 under our January refurb mention and the lowest total price we've seen for this TV in any condition. (It's the best deal for a refurb today by $67.) It features a 3840x2160 (4K, 2160p) native resolution, full-array LED backlight, 802.11ac wireless, Vizio Internet Apps Plus (with access to Netflix, Hulu Plus, Amazon Instant Video, more), USB, and five HDMI inputs.
Note: No warranty information is provided.