Sears offers the LG 55" 120Hz 1080p LED LCD HD Television, model no. 55LB5900, for $599.99 with free shipping. (See this price at final checkout.) That's $100 below our mention from a month ago and the lowest total price we've seen. (It's a current low by $79.) It features a native resolution of 1920x1080 (1080p), 120Hz refresh rate, USB, and two HDMI inputs.
Of note, Shop Your Way Rewards members will earn a Sears credit with this purchase and may be eligible for additional credits and discounts.