MegaMacs offers the refurbished Apple Mac Pro Quad-Core 2.66GHz Xeon Workstation, model no. MB871LL/A, for $999.99 plus around $33 for shipping. That's $163 under our June mention and the lowest total price we've seen for this model. It features an Intel Xeon W3520 2.66GHz quad-core processor, 6GB RAM, 640GB 7200 rpm hard drive, SuperDrive, NVIDIA GeForce GT 120 512MB graphics, Gigabit Ethernet, and more. Deal ends December 12.

Note: A 30-day MegaMacs warranty applies. Also, Mac OS X is installed, but it's not clear which version. (OS installation discs are extra.)