Not sure if you guys have seen this or not yet, but there's a pdf of the AS3 API available over at flex.org. I've printed a b/w version at Kinko's for $4.50 ( the color print would be $48 ). I had it printed at 24" x 36" and I still have to lean in a bit to read the print. These things are huge!

[url=http://www.flex.org/download/AS3API_01.pdf]Here's the link to the AS3 poster[/url]