BuyDig offers the Sony XBR 79" 4K 2160p 3D WiFi LED LCD Ultra HD Television, model no. XBR79X900B, for $3,799 with free shipping. (You must log in to see this price.) That's the lowest total price we could find by $979. It features a native resolution of 3840x2160 (2160p), LED backlight, WiFi, Sony Entertainment Network with Netflix, Hulu Plus, Skype, and more, USB, two pairs of 3D glasses, and four HDMI inputs.