The Apple Store discounts a selection of factory-refurbished Apple Mac mini desktops and servers, as listed below, with prices starting at $509. With free shipping, that ties our mention from last week as the best discount we've seen since Black Friday and puts each at the best price we've seen for these models with an Apple warranty. (A 1-year warranty applies to each, the same as new systems.) The deals, with prices compared to the best deal we could find for new units elsewhere: