Dell Home offers the Vizio 55" 120Hz 1080p WiFi LCD HD Television, model no. E552VLE, for $649.99 with free shipping. That's tied with yesterday's expired mention as the lowest total price we've seen for this model. (It's a current price low by $48.) It features a native resolution of 1920x1080 (1080p), 120Hz refresh rate, WiFi, Ethernet, Vizio Internet Apps with Netflix, VUDU, Pandora, and more, USB, and four HDMI inputs.
Vizio E552VLE 55" HDTV LCD TV is also available at these stores