With Mac OS X Lion at the heart of this refurbished MacBook Pro, your favourite laptop just got even easier to use and more powerful! Even more intuitive The Apple MD322B MacBook Pro MD322B/A Refurbished 15.4" Laptop is powered by the potent Intel® CoreTM i7-2720QM processor, which drives the Mac OS X 10.7 Lion operating system with ease.  An even richer multi-touch experience comes to OS X Lion so you can enjoy realistic gesture responses, fluid rubber-band scrolling, page and image... Find out more