Newegg offers the Asus 27" 1440p LED-Backlit LCD Monitor, model no. PB277Q, for $299.99 plus 99 cents for shipping. That's the lowest total price we could find by $38. It features a 2560x1440 (1440p) resolution, and DisplayPort, DVI, VGA, and HDMI ports.

Also available is the Acer 27" G-Sync IPS WQHD LED-Backlit LCD Monitor, model no. XB270HU abprz, for $569.99 plus 99 cents for shipping. That's the lowest total price we could find by $105. (For further comparison, we saw a refurb for $71 less in February.) It features a native resolution of 2560x1440, Nvidia G-Sync technology, 144Hz refresh rate, 1,000:1 contrast ratio, USB 3.0, and DisplayPort. Both deals end June 13.