MegaMacs offers the refurbished Apple MacBook Pro Unibody Intel Core 2 Duo 2.66GHz 17" Laptop, model no. MB604LL/A, for $649.99 with free shipping. That's the best price we've seen for this laptop. (It's also a current low for a refurb by $265.) It features an Intel Core 2 Duo 2.66GHz dual-core processor, LED-backlit 17" 1920x1200 backlit LCD, 4GB RAM, 250GB hard drive, dual-layer SuperDrive, NVIDIA 9600M GT 256MB graphics, AirPort Extreme (802.11n wireless), Bluetooth 2.1 + EDR, Gigabit Ethernet, iSight webcam, SD card slot, and OS X 10.7 Lion. Deal ends January 7.

A 30-day MegaMacs warranty applies. Note that this item is in "Grade B" condition and may have scratches or show signs of minor wear.