MegaMacs offers the refurbished 5.5-lb. Apple MacBook Pro Intel Core 2 Duo 2.4GHz LED-Backlit 15.4" Laptop, model no. MC371LL/A, for $619.99 plus $20.28 for shipping. That's $109 under the lowest total price we could find for a used unit, although we saw it with OS X 10.6 Snow Leopard for $21 less last winter. Features include an Intel Core 2 Duo 2.4GHz dual-core processor, 15.4" 1440x900 LED-backlit LCD, 4GB RAM, 320GB hard drive, SuperDrive, AirPort Extreme (802.11n wireless), iSight webcam, Bluetooth 2.1 + EDR, USB, HDMI port, and Mac OS X 10.9 Mavericks. A 30-day MegaMacs warranty applies.