Better, faster, easier. Mac OS X Snow Leopard includes hundreds of improvements that will help make your Mac faster, more responsive, and more reliable than ever. Installation is up to 50 percent faster than with Mac OS X Leopard; wake from sleep is as much as two times faster; shutdown is up to 80 percent faster; and initial Time Machine backups to Time Capsule are
up to 80 percent faster than in Leopard.

Mac OS X Snow Leopard is an even more powerful and refined version of the world’s most advanced operating system. In ways big and small, it gets faster, more reliable, and easier to use.
Snow Leopard includes built-in support for the latest version of Microsoft Exchange Server, so you can use your Mac at home
and at work.

Dock. Now Exposé is integrated in the Dock, giving you a quick and easy way to see all the open windows of an application.

Finder. The Finder has been completely rewritten to take advantage of the new technologies in Snow Leopard. The
familiar Finder interface is unchanged, but you’ll discover that the Finder is faster and more responsive.