L.A. Computer Company offers the refurbished Apple iMac Intel Haswell Core i5 1.4GHz 21.5" Desktop for $649 with free shipping. That's $450 off and the best price we could find.

It features an Intel Core i5 1.4GHz dual-core processor, 21.5" 1920x1080 Retina display, 8GB RAM, 500GB hard drive, Intel HD 5000 graphics, Gigabit Ethernet, and Mac OS X 10.12.6 (Sierra).

Note: A 90-day L.A. Computer warranty applies.