Adobe Flash Builder 4 beta 和 Adobe Flash Catalyst beta 终于在6月1日，国际儿童节这天放出了下载地址（Adobe儿童节快乐！）
Adobe Flash Builder 4 beta 下载地址：
http://www.adobe.com/cfusion/entitlement/index.cfm?e=labs_flashbuilder4
http://www.adobe.com/cfusion/entitlement/index.cfm?e=labs_flashbuilder4
Adobe Flash Catalyst beta 下载地址：
http://www.adobe.com/cfusion/entitlement/index.cfm?e=labs_flashcatalyst
http://www.adobe.com/cfusion/entitlement/index.cfm?e=labs_flashcatalyst
这里有一篇文章是关于Flash Builde 4 beta、Flex SDK 4 ( Gumbo ) 和 Flash Catalyst beta资料汇总，地址：
http://www.k-zone.cn/zblog/post/adobe-flash-builder-gumbo-flash-catalyst-list.html
http://www.k-zone.cn/zblog/post/adobe-flash-builder-gumbo-flash-catalyst-list.html
