Release is coming very soon, the latest stable build should be pretty good.
Matt, Thank you for your prompt reply, I wonder is there a rough date we can be looking at?
Flex 4 is core to what we do and just like the rest of the community we are very excited and commited to using Flex 4! Great work to you and your team.
If you look at the tags folder at the svn repository for the sdk you can see the final versions of sdk4 are now being tagged. So I think there are assumptions you can also make regarding the tooling from that.
tinylion development & design
and well done on getting it out of the door.
and Matt, good luck with the new position. hope it all works out well