As one of its daily deals, Amazon offers the Philips 27" G-Sync Ultimate Performance 144Hz 1080p LED-Backlit LCD Monitor, model no. 272G5DYEB, for $479.99 with free shipping. That's the lowest total price we could find by $170. Features include a native resolution of 1920x1080 (1080p), Nvidia G-Sync technology, 144Hz refresh rate, and four USB 3.0 ports. Deal ends today.