The Flash player 9 (update 3) performance/feature update which has been bubbling under in beta at Adobe Labs - Flash Player 9 Update is now on release.
Adobe - Adobe Flash Player
The new features:
Support for H.264 video and HE-AAC audio codecs.
Multi-core support for vector rendering.
Full screen mode with hardware scaling (currently not available on Sparc).
Flash Player cache for common platform components, such as the Flex framework
Adobe - Adobe Flash Player
The new features:
Support for H.264 video and HE-AAC audio codecs.
Multi-core support for vector rendering.
Full screen mode with hardware scaling (currently not available on Sparc).
Flash Player cache for common platform components, such as the Flex framework