Amazon.com: Mac OS X Snow Leopard Family Pack (5-User): Software
* Mac OS X Snow Leopard is built on a rock-solid, time-tested UNIX foundation that provides unparalleled stability as well as industry-leading support for Internet standards
* Improvements include a more responsive Finder, new look and features for Exposé and Stacks, quicker Time Machine backup, faster common tasks and installation, a smaller install footprint, and plenty more
* New core technologies unleash the power of today's advanced hardware technology and prepare Mac OS X for future innovation: 64-bit computing, multicore-optimization, OpenCL, QuickTime X, and more
* With virtually no effort on your part, Mac OS X protects itself--and you--from viruses, malicious applications, and other threats
* Mac OS X Snow Leopard includes built-in support for the latest version of Microsoft Exchange Server, so you can use Mail, iCal, and Address Book at home and at work
Mac OS X Snow Leopard Family Pack (5-User) $36.49 FSSS 
