A few recommended Flash-related sites to visit:

FlashKit.com

The motherlode of all-Flash-related resources. Tutorials, links, galleries, etc. Well organized and always interesting

Friends Of ED

A great source of links to inspirational developers and books devoted to explaining the concepts behind the cutting edge...

FlashGeek

A good spot to find info on how to integrate with Bill Gates' Redmond empire: Microsoft products

ActionScript

A fantastic source of Flash-related actionScript

shovemedia

High-octane Flash
Unique actionScripting engines, Highly unusual design solutions...

 

Levitated

An amazing gallery of Flash kinetics at it's zenith. Evolving Computational Creatures -- Artifacts of Computation

A must see!

Kirupa

A great source of Flash-related resources A wide varierty of in-depth tutorials are available

Flash Developer

Another well-thought compendium of Flash Tips & Tricks ...

A few recommended Director(Shockwave)-related sites to visit:

Macromedia
The tools of choice
Stuart Sharpe
His work stands in a class by itself. Awesome use of object-oriented lingo.
CleverMedia
His book on Lingo (The Comprehensive Guide to Lingo) is still unparalleled for its depth and deployment.
Director Links
A great compendium of Lingo and Director Links and Resources.