Newegg offers the Acer 27" 1440p LED-Backlit LCD Monitor, model no. K272HUL, for $219.99. Checkout with Visa checkout and apply coupon code "VCOBF15" to cut that to $194.99. With free shipping, that's $55 under last month's mention, the lowest total price we could find by $132, and the best deal we've seen. It features a native resolution of 2560x1440 (1440p), built-in speakers, DisplayPort, DVI, and two HDMI ports. Deal ends November 29.
Note: The coupon can only be used once per account.