Best Buy offers the Insignia 55" 1080p LED-Backlit LCD HD Television, model no. NS-55D510NA17, for $279.99. Pay with Visa Checkout to cut the price to $254.99. With free shipping, that's a $25 drop from five days ago, $125 off list, and the lowest total price we've seen. It features a native resolution of 1920x1080 (1080p), USB, and three HDMI inputs. Deal ends January 21.
Note that the Visa Checkout discount can only be used once per account.