BuyDig via eBay offers the Sony 43" 4K 2160p WiFi LED Ultra HD LCD Smart Television, model no. XBR-43X830C, for an in-cart price of $539 with free shipping. That's the lowest total price we could find by $109, although we saw it with a $300 store gift card for $698 two weeks ago. It features a 3840x2160 native resolution, streaming apps (with access to Netflix, Hulu Plus, Pandora, etc.), PlayStation Now, WiFi, USB, and four HDMI inputs.