Dell Home offers the LG 50" 120Hz 1080p LED-Backlit LCD HD Television, model no. 50LF6000, bundled with a $200 Dell eGift Card for $579.99 with free shipping. (The gift card will appear automatically in-cart.) Assuming you'll use the gift card, that's the lowest total price we could find by $199. It features a 1080p native resolution, 120Hz refresh rate, edge-lit LED backlight, USB, and two HDMI inputs.
Note: The eGift card will be emailed 10 to 20 days from ship date.