By popular request, we’ve just launched an ActionScript 3.0 alpha forum to help channel discussions around this new revision of ActionScript, released as part of the Flex 2 public alpha program on Macromedia Labs. You can of course access the new AS 3 forum, alongside the other Labs alpha forums, at the following URL:
http://www.macromedia.com/go/labs_forums

nice job guys! this is so important to new version of A.S. will be one frequently user of this forum!
thanks !
I hope this version have nextSibling for flash objects