Illogicz.com
The website shows some examples of what can be done with Flash if it is used the right way. For some of the examples the source code (.fla) is available with good comments. The Web site developer, Stuart Schoneveld is one of the leading programmers when it comes to Flash 5 and FlashMX. He is also the author of the SS_Components for FlashMX, which includes the now famous Slider (free!).