As a flex website developer, usually need more infors, just for Adobe’s promotion of flex and flex developers are increasing, the resource websites about flex become more and more so here I get a list of websites which I usually visit, they all my favorite sites.
1 Often, Google.com comes the first.

you can search anything you want, If you have any question don’t hesitate to ask, Google will give you satisfied answers. of course if you didn’t find, you can visit this site lol:
This site has a lot of flex exmaples, what you do is just enter you keywords for search,find the example which the most meet you and then copy the code.
This one is a blog of flex team, you can get the latest information of flex.
4 Flex.org
Flex.org is a community for flex developers to communicate with others and public the latest news.
Any questions? You can ask! It’s easy and fast.
A website has Rich Internet Applications, Flex,Adobe AIR,Java, Open Source, Linux resources.James Ward is a good guy.
Ben Forta’s Flex blog. Great ideas you may get there. His site has much Thoughts, ideas, tips, musings, and pontifications (not necessarily in that order)
Waw, this site have a lot resources on flex and AIR exmaples, ez to use.
It is like a base camp even if you are a beginner of flex, you could start with it.
10 Themes for flex and apollo site
It’s cool,ScaleNine is a collection of skins and themes created for Flex and Adobe AIR (formerly Apollo), as well as a showcase of other apps using these frameworks. Some involve graphical skinning and others are purely CSS.