Groupon offers the LG 47" 120Hz 1080p 3D LED-Backlit LCD Smart HD Television, model no. 47LB6500, for $549.99 with free shipping. That's the lowest total price we could find by $51. It features a 1920x1080 (1080p) native resolution, 120Hz refresh rate, WiFi, Smart TV Internet streaming, USB, three HDMI inputs, and two pairs of LG 3D glasses. Deal ends June 12.