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 tied as the best outright price we've seen and a current low by $46, although a week ago we saw it for only $37 more, bundled with a $200 Dell gift card. 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.