Adorama via eBay offers the Dell 27" 1440p QHD LED-Backlit LCD Gaming Monitor, model no. S2716DG, for $529.99 with free shipping. That's $19 under our December mention and the lowest total price we've seen. (It's a current price low by $40.) This height and tilt adjustable display features a native resolution of 2560x1440 (1440p), LED backlight, 144Hz refresh rate, 1ms response time, USB 3.0, and DisplayPort and HDMI inputs.