Flash Player 10 [Beta] coming with Ubuntu support
The Flash Player 10 beta features a brand-new Just In Time (JIT) engine to load pixel bite code into the Flash Player engine. Flash Player 10 will also extend support for Linux to Ubuntu versions 7 and 8, going beyond the current Red Hat, SuSE, Mac OS/X and Windows.
http://www.regdeveloper.co.uk/2008/05/15/flash_player_10_beta/