Newegg offers the Asus 28" 4K Ultra HD LED-Backlit LCD Monitor, model no. PB287Q, for $549.99. Coupon code "EMCAVAV62" drops it to $499.99. With free shipping, that's the lowest total price we could find by $40. It features 3840x2160 native resolution, 1ms GTG response time, LED backlight, two HDMI inputs, DisplayPort, and two 3.5mm audio jacks. Deal ends July 13.