Best Buy offers the Insignia 50" 120Hz 1080p LED-Backlit LCD HD Television, model no. NS-50D550NA15, for $349.99 with free shipping. That's $30 under our mention from four days ago, $150 off list, and within $15 of the lowest total price we've seen for any new 50" 120Hz 1080p TV. It features a native resolution of 1920x1080 (1080p), 120Hz refresh rate, USB, and three HDMI inputs.
If you need it in time for Christmas, be sure to order by 11:30 am ET on December 22 to bag guaranteed December 24 delivery.