MacMall offers the HP Z24i 24" IPS LED LCD Monitor , model no. D7P53A8#ABA, for $279.99. This $50 mail-in rebate cuts it to $229.99. With free shipping, that's the lowest total price we could find by $76. It features a native resolution of 1920x1200, LED backlight, four USB 2.0 ports, and DisplayPort and DVI inputs. Rebate expires April 30.