Flash Player Public Beta
Macromedia Flash Player Public Beta
It's available for both Windows and Mac OS and of course for both Internet Explorer, Mozilla and Opera.
The Flash Player version is 7.0 d249
You can check your version here
A nice way to seperate your plug-ins and your Mozilla installation is show here.
A couple of links!
Auto update Manager:
Convert from Flash 6 to Flash 7:
Flash Player 7 CSS demo: