Apple Mac Mini MC815LL/A Desktop PC for $529.95 shipped.  Here is a screenshot for your reference.  It features an Intel Core i5 processor at 2.3GHz, 2GB DDR3 RAM, 500GB hard drive, wireless 802.11a/b/g/n, Gigabit Ethernet, Thunderbolt port, FireWire port, Mac OS X Lion, and more.  Note that it does not have an optical drive.  Most [...]