Dell Home, via its Member Purchase Program, offers the Dell 24" QHD LED-Backlit LCD Gaming Monitor, model no. S2417DG, for $341.99 with free shipping. That's $67 under our October mention and the lowest total price we've seen. (It's the lowest today by $157.) It features a native resolution of 2560x1440, 1ms response time, 165Hz refresh rate, LED backlight, 4-port USB 3.0 hub, HDMI, and tilt, swivel, and pivot adjustments.
Note: Dell's MPP is available to select groups, including students, government employees, military (active and retired), credit union members, and health care workers.