Walmart offers the Vizio 48" 120Hz 1080p WiFi LED-Backlit LCD HD Television, model no. E480i-B2, for $569.99 with free shipping. (Amazon charges the same.) That's the lowest total price we could find by $20. Features include a 1920x1080 (1080p) native resolution, 120Hz refresh rate, LED backlight, WiFi, SmartTV Internet applications (including Vudu, Hulu Plus, and YouTube), USB, and three HDMI inputs.