The Apple Store offers its factory-refurbished current-generation Apple iMac Intel Core i5 3.5GHz 27" Retina 5K Desktop, model no. MF886LL/A, for $2,119 with free shipping. That's tied with our March mention as the lowest total price we've seen for this system. (It's also $211 below the best price we could find for a new one.) Features include an Intel Haswell Core i5-4690 3.5GHz quad-core processor, 27" 5120x2880 LED-backlit Retina display, 8GB RAM, 1TB Fusion drive, AMD Radeon R9 M290X 2GB graphics card, 802.11ac wireless, and OS X Yosemite. A 1-year Apple warranty applies.