MegaMacs offers the used Apple Mac mini G4 1.25GHz Desktop, model no. M9686LL/A, for $89.99 plus $2 for shipping. That's $10 under our mention of a used unit from two weeks ago and the lowest total price we've seen. It features a PowerPC G4 1.25GHz processor, 512MB RAM, 40GB hard drive, DVD/CD-RW combo drive, and Mac OS 10.4 Tiger.

A 30-day MegaMacs warranty applies.