The Apple Store has Apple Certified Refurbished 2012 Mac minis available for up to $150 off the cost of new models. Apple’s one-year warranty is included with each mini, and shipping is free:
The Apple Store has refurbished July 2011 2.3GHz i5 Mac minis available again for $469 including free shipping. That’s $130 off original MSRP for this model. Apple’s standard one-year warranty is included.