The Apple Store again discounts several factory-refurbished Apple Mac mini computers, as listed below. Each carries free shipping and is well under the lowest total price we could find for a new unit. Sales tax is added where applicable. A 1-year warranty applies, the same as new systems. Items are removed from Apple's web site once sold out. The models, all with free shipping:

• Refurbished Apple Mac mini MC270LL/A Core 2 Duo 2.4GHz Desktop for $599
• refurbished Apple Mac mini MC408LL/A Core 2 Duo 2.53GHz w/ Snow Leopard Server for $749
• refurbished Apple Mac mini MC438LL/A Core 2 Duo 2.66GHz w/ Snow Leopard Server for $849