Apple’s next OS X will be called “Snow Leopard”, here are some links with information about the new cat:
Apple’s official Snow Leopard site
Myths of Snow Leopard 1: PowerPC Support
Myths of Snow Leopard 2: 32-bit Support
Snow Leopard confirmed to be Intel only
No news about Arabic Localization, Leopard added Russian, Polish and Portuguese Localization. Let’s hope for Arabic Localization with this release.