Aside from stating the obvious. Save yourself (or prepare) by considering that, before you hand over money and start buying books on Flex or Air and that there are so many on line resources, starting with Adobe Live Docs.
Here are some links and resources, collated from a recent news group posting and edited to include some more comprehensive links and some removed. I recommend heading over to Flexcoders at yahoo groups - All for ease of measure in locating resources and getting Flex and AIR rich Internet application development up to speed.
http://jessewarden.com/
http://www.stevensacks.net/
http://blogs.adobe.com/acom/
http://adamflater.blogspot.com/
http://rss.adobe.com/en/flex_cookbook_most_recent.rss
http://blogs.adobe.com/aharui/over
http://flexdiary.blogspot.com/
http://shigeru-nakagaki.com/index.cfm
http://www.boostworthy.com/blog
http://www.buntel.com/blog/index.cfm
http://www.herrodius.com/blog
http://www.darronschall.com/weblog/
http://david.realeyes.com
http://davidzuckerman.com/adobe
http://www.degrafa.com
http://www.dgrigg.com
http://dispatchevent.org
http://dougmccune.com/blog
http://ecmascript.zwetan.com/
http://jwopitz.wordpress.com
http://sherifabdou.com
http://blog.sunild.com/
http://blog.flexmonkeypatches.com
http://www.dehats.com/drupalinteresting
http://blogs.adobe.com/gosmith/
http://blogs.adobe.com/fcheng/
http://fullasagoog.com/
http://www.gskinner.com/blog/
http://gettingandsetting.com
http://www.graviti.tv/blog
http://blog.haxe.org
http://iamdeepa.com/blog
http://blog.iconara.net
http://jacwright.com/blog
http://ech.net/blog
http://www.joeberkovitz.com/blog
http://joshblog.net
http://www.colettas.org
http://office.realeyesmedia.com/blogs/jun
http://kennethteo.com
http://blog.kevinhoyt.org
http://blog.thinkingdigital.org
http://weblogs.macromedia.com/mchotin/
http://weblogs.macromedia.com/paulw/
http://www.quasimondo.com/
http://www.riapedia.com
http://www.ryangorer.com/blog/
http://thesaj.wordpress.com
http://scalenine.com/
http://seantheflexguy.com/blog
http://blog.smashedapples.com/
http://www.thetechlabs.com
http://www.onflex.org/ted/index.php
http://timwalling.com
http://www.tink.ws/blog
Here are some links and resources, collated from a recent news group posting and edited to include some more comprehensive links and some removed. I recommend heading over to Flexcoders at yahoo groups - All for ease of measure in locating resources and getting Flex and AIR rich Internet application development up to speed.
http://jessewarden.com/
http://www.stevensacks.net/
http://blogs.adobe.com/acom/
http://adamflater.blogspot.
http://rss.adobe.com/en/flex_
http://blogs.adobe.com/aharui/over
http://flexdiary.blogspot.com/
http://shigeru-nakagaki.com/
http://www.boostworthy.com/
http://www.buntel.com/blog/
http://www.herrodius.com/blog
http://www.darronschall.com/
http://david.realeyes.com
http://davidzuckerman.com/
http://www.degrafa.com
http://www.dgrigg.com
http://dispatchevent.org
http://dougmccune.com/blog
http://ecmascript.zwetan.com/
http://jwopitz.wordpress.com
http://sherifabdou.com
http://blog.sunild.com/
http://blog.flexmonkeypatches.
http://www.dehats.com/drupalinteresting
http://blogs.adobe.com/
http://blogs.adobe.com/fcheng/
http://fullasagoog.com/
http://www.gskinner.com/blog/
http://gettingandsetting.com
http://www.graviti.tv/blog
http://blog.haxe.org
http://iamdeepa.com/blog
http://blog.iconara.net
http://jacwright.com/blog
http://ech.net/blog
http://www.joeberkovitz.com/
http://joshblog.net
http://www.colettas.org
http://office.realeyesmedia.
http://kennethteo.com
http://blog.kevinhoyt.org
http://blog.thinkingdigital.
http://weblogs.macromedia.com/
http://weblogs.macromedia.com/
http://www.quasimondo.com/
http://www.riapedia.com
http://www.ryangorer.com/blog/
http://thesaj.wordpress.com
http://scalenine.com/
http://seantheflexguy.com/blog
http://blog.smashedapples.com/
http://www.thetechlabs.com
http://www.onflex.org/ted/
http://timwalling.com
http://www.tink.ws/blog