This week at Apple's online store save on refurbished Macs priced as low as $759. The refurbished Mac mini with OS X Server, a 2.0GHz Intel quad-core i7 processor, 4GB of RAM and dual 500GB hard drives is now $759 after a $240 price cut. The refurbished 11.6-inch MacBook Air with a 1.7GHz Intel dual-core i5 processor, 4GB of RAM and 64GB of flash storage is now $849 after a $150 discount.