Mark Anders have a bit more context to the "ActionScript 3, Flash Player 8.5 and Flex 2 (ActionScript 3, Flash Player 8.5 and Flex 2)":http://www.andersblog.com/archives/2005/10/flex_builder_2.html news.

Btw, you can "sign up (early bird notification sign up)":http://www.macromedia.com/cfusion/mmform/index.cfm?name=labs_earlybird to be notified when the early bird (alpha version) is available.