Amazon offers the Dell UltraSharp 31.5" 4K IGZO LED-Backlit LCD Monitor, model no. UP3214Q, for $1,979.99 with free shipping. (Newegg offers it for the same price via coupon code "EMCPFWC33".) That's $478 below our December mention and the lowest total price we've seen. (It's a current low of $346.) It features a 3840x2160 native resolution (four times that of 1080p), IGZO LCD screen, LED backlight, four USB 3.0 ports, and DisplayPort, mini DisplayPort, and HDMI inputs.