Last week, we posted the initial, Mac-only, Flex Builder 3-only release of the Blueprint Eclipse plug-in on Adobe Labs. Yesterday, we updated it to include support Windows and Flash Builder 4. Please try it out if you get a minute.
For more info, see the Flex Doc Team blog: http://blogs.adobe.com/flexdoc/2009/06/the_blueprint_eclipse_plugin_i.html
Flex Learning Resources Manager
That's so cool.