Branden Hall Actionscript Mastermind has his own column on the Macromedia Flash MX Application Developer Center website conveniently named Flash Extreme, i assume it is aimed at the hardcore actionscript developers just by looking at the name…
You should definetley check it out now and then for some interesting reading. The latest article to be posted on Flash Extreme entitled Your friend the component, is suprisingly about Components, how to preload them, how to customize them and how to change them dynamically. If you havent already then make sure you have a look at the previous article on Flash Extreme which fills you in on a few hidden flash features.