Walmart offers the Vizio 39" 1080p LED-Backlit LCD HD Television, model no. E390-A1, for $348 with free shipping. That's the lowest total price we could find by $20, outside the mention below. It features a native resolution of 1920x1080 (1080p), LED backlight, USB, and two HDMI inputs.
A close price: Dell Home offers it for $348.99 with free shipping.