Walmart offers the refurbished Vizio 55" 120Hz 1080p WiFi LED-Backlit LCD HD Television, model no. M550VSE, for $498 with free shipping. That's $300 under our April mention of a new unit and tied for the lowest total price we've seen for a 55" 120Hz WiFi LED HDTV. Features include a native resolution of 1920x1080 (1080p), 120Hz refresh rate, edge-lit LED backlight, 802.11n wireless, Vizio Internet Apps with Netflix, VUDU, Pandora, and more, USB, and three HDMI inputs.

A 90-day warranty applies, but it's not clear who backs it.