As one of its daily deals, Newegg offers the Acer 27" 2560x1440 144Hz LED-Backlit LCD Monitor, model no. XG270HU, for $479.99 with free shipping. That's the lowest total price we could find by $20. It features a native resolution of 2560x1440, 144Hz refresh rate, LED backlight,built-in speakers, AMD Free-Sync technology, two DVI inputs, one HDMI port, and one DisplayPort. Deal ends today.