The LinkedIn Flex Developers Group is now accepting new members. LinkedIn can increase group size on request in 1000 member increments, so we're OK until we hit 4000. All pending requests have been approved.
And in case you want to sign up, here are the links to all three LinkedIn groups:
ColdFusion Developers Group
Flex Developers Group
Adobe AIR Developers
InfoWorld just reviewed AIR 1.5, and was more than impressed, giving it a 9.3 (out of 10) and full marks for ease of development. The review concludes with "For developers who want to bridge the gaps between Windows, Mac, and Linux -- and between the desktop and the Web -- now is the time to be working with AIR".