Making that switch from AS2 to AS3 can be “hard” for just about anyone but don’t go at it alone.  There are many resources that can aid in this migration process.  Here are 8 notable resources for learning ActionScript that any Flash user can appreciate.

Implementing a undo/redo in your interactive applications is key as your users are not always sure of the decision that they are about to make with have a forever imprint on their experience.  Clive Goodinson takes you through the process of implementing a undo/redo in ActionScript 3.0.

Jack’s tween engine, TweenLite, and Grant’s tween engine, GTween, both offer great options to any Flash/Flex developer.  While the debate over which is preferred over the other is up for grabs, the two look bring the best of both worlds with a even more well rounded tween engine.

Bustin Lib is a collection of helpful library applications created by Alex Bustin that can be merged into your new or existing Flash based projects.

Grant Skinner is releasing his complex Class, TextFlowPro, free for all to take advantage of.  TextFlowPro enables you to flow a series of text fields together so that they act as a single text container, and still allow users to select, edit, and copy/paste text between the textfields.

Here’s an interesting attempt to integrate the features of GTween and Tweener called GTweener. Elyon has packaged GTweener together with GTween Beta 4 and the Equations class from Tweener which is used to enhance the easing. There are also some extra functional differences being integrated into this interesting couple.

Check out this class, AS3 SoundManager, created by Matt Przybylski which contains a whole load of methods that make adding sounds to your AS3 projects super simple. It also supports sound fading of your sound objects.

The new Adobe XMP Library for ActionScript is now available for download on Adobe Labs.  Adobe Extensible Metadata Platform (XMP) is a labeling technology that allows you to embed data about a file, known as metadata, into the file itself.

With the update of GTweeen(beta 5), Grant introduces a new class call GTweenTimeline.  This new class,an extension of GTween, lets you easily build a virtual timeline of tweens, actions and labels, then control the whole thing as though it’s a single tween.

I have been keeping an eye on Grant Skinner’s gTween for some time now and it is looking pretty sweet.  A key feature called sequencing allows you to set up a sequence of tweens so they happen in a particular order.  WOW! Check out this preview that Grant put together demoing this feature.