Walmart offers the LG 55" 1080p WiFi LED-Backlit LCD HD Television, model no. 55LN5600, for the in-cart price of $679 with free shipping. That's the best price we've seen for this HDTV (outside our Black Friday mention, when we saw it for $89 less, but only for a few hours) and it's a price low by $51. That's the best price we've seen for this HDTV. Features include a native resolution of 1920x1080 (1080p), LED backlight, WiFi, LG Smart TV (with Netflix, YouTube, and Hulu Plus), USB, and three HDMI inputs.

A close price: Best Buy has it for a buck more.