Apple has posted a 27:37 minute online movie, “Mac OS X Leopard. A guided tour.”

Apple Retail Store employee “John” takes viewers through some of the most exciting new features found in the world’s most advanced operating system, including:

• Stacks
• Finder
• Spotlight
• Quick Look
• Time Machine
• Spaces
• Mail
• iChat
• iChat Screen Sharing
• Upgrading existing Macs to Leopard

The Leopard guided tour is available as a streaming movie (small, medium, large) and also as downloads for iPod, iPhone (108MB) and large (379MB).

Take Apple’s Mac OS X Leopard guided tour here.