-- Core Animation, which will enable developers to create complex animated effects easily for any manner of use.

-- Revamped Universal Access, which offers vastly improved voiceover, closed-captioning and other improvements.

-- More robust Mail, offering easy rich (HTML) mail editing as well as notes and a systemwide to-do feature.

-- A next-generation version of Dashboard that includes Dashcode tools for developers and the ability for end users to create widgets out of any portion of a Web page.

-- A much more robust iChat, with features like Photo Booth effects, the ability to place graphics or video as a background in video chats, the ability to share your screen/desktop with remote users, and the ability to do slideshows and keynote presentations through a feature called iChat Theatre.