Apple today previewed Mac OS X 10.3 “Panther,” the next major version of Apple’s operating system. Panther features over 100 new features including a completely new Finder; Expose, a revolutionary new way to instantly see all your open windows at once; and iChat AV, a complete desktop video conferencing solution for business, education and consumers. In addition, Panther includes FileVault, a new feature that secures the contents of a home directory with strong 128-bit AES encryption. Panther will be available at the end of this year for US$129.