Apple Store offers the factory-refurbished Apple Mac mini Intel Ivy Bridge Core i5 2.5GHz Desktop, model no. MD387LL/A, for $509 with free shipping. That's tied our refurb mention from two weeks ago and $41 under the lowest total price we could find for a new unit. It includes an Intel Core i5-3210M 2.5GHz Ivy Bridge dual-core processor, 4GB RAM, 500GB hard drive, 802.11n wireless, Bluetooth, Thunderbolt, memory card reader, and Mac OS X 10.8 (Mountain Lion).

Also available is the factory-refurbished Apple Mac mini Intel Core i7 Quad 2.3GHz Server, model no. MD389LL/A, for $849 with free shipping. That's tied with our refurb mention from two weeks ago and $100 under the lowest total price we could find for a new unit. It features an Intel Core i7-3615QM 2.3GHz Ivy Bridge quad-core processor, 4GB RAM, two 1TB hard drives, 802.11n wireless, Bluetooth 4.0, and Mac OS X Server. (No optical drive is included.) A 1-year Apple warranty applies to both models.