Newegg via eBay offers the Changhong 55" 4K 2160p LED-Backlit LCD Ultra HD Television, model no. UD55YC5500UA, for $399.99 with free shipping. That's $100 under last week's mention and tied as the lowest total price we've seen for any 55" 4K HDTV. (It's the best deal for this model today by $447.) It features a 3840x2160 (2160p) native resolution, 240Hz refresh rate, built-in WiFi, Bluetooth, USB, and four HDMI inputs.