Ref:
http://www.kirupa.com/
http://www.flashandmath.com/
http://the-dude.co.uk/category/tutorials/flash-as3-tutorials/
http://www.noupe.com/tutorial/30-hand-picked-flash-and-essential-actionscript-30-tutorials.html
http://www.flashscript.biz/flashas3.html
http://tutorials.flashmymind.com/
http://www.senocular.com/flash/tutorials/as3withflashcs3/
http://www.iheartactionscript.com/
http://tutorials.as3.ca/

Game:
http://www.gotoandplay.it/
http://oos.moxiecode.com/#Tutorials

News:
http://ntt.cc/
http://labs.adobe.com/

Extreme & Cool!!!
http://www.gotoandlearn.com/

Particale system
http://flintparticles.org/examples
http://flintparticles.org/

Books:
http://www.friendsofed.com/ ( they got some sources file for us to download at there)

Blog & Forum:
http://www.flashdevelop.org/community/
http://forum.j2eemx.com/
http://space.flash8.net/space/
http://blog.ben.idv.tw/
http://creativewang.com/blog/
http://mitchbox.wordpress.com