Apple has unveiled near final version of it's latest operating system with "over 300 new features" at the World Wide Developers Conference in San Francisco. The Leopard includes 64-bit support, a new Desktop and Dock with Stacks, updated Finder featuring Cover Flow and a new way to easily browse and share files between multiple Macs; Quick Look, a new way to rapidly preview most files without opening an application; Time Machine, a new way to easily and automatically back up and restore lost files or a complete Mac; Spaces, a new feature to create groups of applications and instantly switch between them; and enhanced iChat and Mail applications. Have a look at the high definition video of Leopard.
It's scheduled to ship in October for $129 (single user license) or $199 (family pack with single-residence, five-user license).
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http://www.pclaunches.com/software/apple_os_x_leopard.php