Is there a new Flash 9 CS3?

http://www.bestflashanimationsite.com

In this site, there are several examples of superb websites using flash. There is one about IKEA, which I found quite interesting. Check it out.

Do you know about the new Flash 9 CS3?
www.flashmagazine.com/

They mention about script action 3.
Are we going to learn this in the advanced flash class?