What material did you use to learn Flex/Air itself, and with ColdFusion + BlazeDS/LCDS?
Flex in a Week http://www.adobe.com/devnet/flex/videotraining/
FLEX tutorials PDF http://henrylearnstorock.blogspot.com/2009/05/excellent-flex-tutorials-pdf.html
with CF:
Flex Workshop: Connecting Flex to ColdFusion recording: http://experts.na3.acrobat.com/p45336977 The files necessary to follow along can be found here: http://www.iecfug.org/assets/content/resources/CF2FX.zip
CFMeetup:ColdFusion, LCDS, and Flex Magic: http://experts.na3.acrobat.com/p62931769/
http://www.horwith.com/index.cfm/2009/5/7/ColdFusion-Architecture-For-RIAs-Part-1