Today only, MidnightBox offers the refurbished Apple Mac mini Intel Core 2 Duo 2GHz Desktop (pictured, no monitor), model no. MB139LL/A, for $399.95 plus $3.99 for shipping. (Select model number MB139LL/A on the product page to see this price.) That's $580 under the lowest total price we could find for a new unit. It features an Intel Core 2 Duo 2GHz dual-core processor, 1GB RAM, 120GB hard drive, nVIDIA GeForce 9400M graphics, SuperDrive, AirPort Extreme (802.11n wireless), Bluetooth 2.1+EDR, Mac OS X 10.4 Leopard, and more.

Also available is the refurbished Apple Mac mini Intel Core 2 Duo 2GHz Desktop (no monitor), model no. MB463LL/A, for $459.95 plus $3.99 for shipping. That's $540 off and the lowest total price we could find. This desktop features the same specs as the unit above, except for a 250GB hard drive and Mac OS X 10.5 Tiger.

Note that these systems do not include a keyboard or mouse. Also, a 30-day MidnightBox warranty applies.