MegaMacs offers the used Apple Mac mini Intel Core 2 Duo 2GHz Desktop (no monitor), model no. MB463LL/A, for $349.99 plus around $16 for shipping. That's $79 under our mention from two weeks ago and $205 under the lowest total price we could find for a similar used Mac mini desktop elsewhere today. This desktop features an Intel Core 2 Duo 2GHz dual-core processor, 2GB RAM, 120GB hard drive, SuperDrive, 802.11n wireless Airport card, Bluetooth, Mac OS X 10.7 Lion, and more. Deal ends August 15.

Note: A 30-day MegaMacs warranty applies. Mac OS X is installed, but it's not clear which version.