Some Mac OS X users are reporting extraordinarily high CPU usage with Flash Player 10. This occurs with both OS X 10.5.7 and earlier and the new OS X 10.6 ("Snow Leopard")
As of 9/15/2009 Adobe Customer Care is asking that any users with these issues participate in one of two Flash Player Public Bugs on the topic. Adobe Flash Player Engineering is watching these requests. Users should vote for the bug and add _constructive_ feedback about their experience.
Users who are not familiar with the Flash Player public bugbase should first read:
"Introducing the Flash Player bug and issue management system" at http://www.adobe.com/devnet/logged_in/tmccauley_fplayer_bugbase.html
If the user been involved in the public Flash Player bugbase before, they can participate directly in the bugs: