Newegg offers the Changhong 55" 4K 2160p LED LCD Ultra HD Television, model no. UD55YC5500UA, for $999.99. Apply coupon code "VISACHECKOUT" and pay with Visa Checkout to drop it to $979.99. With free shipping, that's $400 off list and the lowest total price we could find, although we saw it for $50 less a week ago. It features a 3840x2160 native resolution, 240Hz refresh rate, LED backlight, and four HDMI inputs. Coupon ends October 31.
Of note, this coupon can only be used once per account.