If you aren't partial to forums, perhaps you want to join some e-mailbased lists. These e-mail lists range from high-traffic to moderate- and low-traffic lists. There are many out there to join, and sometimes you happen across the best ones by chance. This list contains some of the more common (public) ones, although there are many more.
An advanced list discussing the finer aspects of coding ActionScript. Discussion is limited to intermediate to advanced topics involving ActionScript. This is a high-traffic list.
Flash Newbie: http://chattyfig.figleaf.com/mailman/listinfo/flashnewbie
Flash novice list run by the fine people who bring you Flashcoders.
Flash Lounge: http://chattyfig.figleaf.com/mailman/listinfo/flashlounge
A great "on-topic and clothing-optional" list run by the fine people who bring you Flashcoders.
General Flash discussion.
Mailing list that focuses on discussing dynamic flash.