One month ago, I tried to guess a release date [1] for Flex 3 based on some hints by Serge Jespers. As a matter of fact, I was a little bit too optimistic with my February 12th, because it's been released today.
Obviously, Adobe doesn't care about the rule that says that mondays are not very good for annoucements.
Here are a few direct links:
Links:
[1] http://sebastien-arbogast.com/flex-3-to-be-released-february-12th-2008/
[2] http://www.adobe.com/cfusion/entitlement/index.cfm?e=flex3email
[3] http://get.adobe.com/air/
[4] http://weblogs.macromedia.com/flexteam/archives/2008/02/its_on_-_flex_3.cfm