For its My Best Buy members, Best Buy offers the Dell 27″ 1440p 144Hz Flat LED Gaming Monitor for $349.99 with free shipping. (You must be logged in to your account to see this price. Not a My Best Buy member? It’s free to join.) That’s $20 under our August mention and is tied as the lowest price we’ve ever seen. (It’s a low today by $114.) It features a 2560×1440 (1440p) resolution, Nvidia G-Sync, and USB, DisplayPort, and HDMI inputs.