October 26, 2007 12:56 PMApple today began shipping Mac OS X 10.5 Leopard, the sixth major release of Mac OS X. The new OS boasts over 300 new features including Time Machine, an effortless way to automatically back up everything on a Mac; Spaces, an intuitive new feature used to create groups of applications and instantly switch between them; Quick Look, a new way to instantly see files without opening an application; a redesigned Finder that lets users quickly browse and share files between multiple Macs; and a brand new desktop with Stacks, a new way to easily access files from the Dock.If you've received your copy of Leopard, we'd like to hear your thoughts and experiences on Apple's new OS. But sure to follow the forum link below to participate in the discussion with fellow Mac gamers.IMG Forum: Apple Ships Mac OS X 10.4 LeopardApple