Walmart offers the refurbished VIZIO Razor 55" 120Hz 1080p WiFi 3D LED-Backlit LCD HD Television, model no. E551d-A0, for $599 with free shipping. That's $176 under the lowest total price we could find for a new model. Features include a native resolution of 1920x1080 (1080p), 120Hz refresh rate, LED backlight, WiFi, VIZIO Internet Apps (including Netflix, Hulu Plus, and more), USB, and four HDMI inputs.

Note that no warranty information is given.