I now do all my Flash development in Flex Builder 2. No exceptions. But I still use another installation of Eclipse for other types of development (ColdFusion, Java, HTML, JavaScript, etc.). Yesterday, I ran into a situation where I needed to embed a small Flex application in a custom HTML page, so tried installing CFEclipse into Flex Builder 2, and it seems to work perfectly. It’s not guaranteed to work, and I supposed it could break in the future, but for now, I’m a very happy developer.
Update: I should qualify that I’m talking about the standalone version of Flex Builder 2. The plugin version will definitely work with CFEclipse.

I’m waiting for the version of CFEclipse that we saw at MAX. I bet that it will rock for Flex Users that use ColdFusion as Application Server.
Hey Christian, are you using the standalone version and then installing CFEclipse as a plug-in or just using them side by side?I assumed if we were using the plug-in version of Flex Builder we would have no problem using CFEclipse with it.
Ryan, I should have been clearer. I’m referring to the standalone version. The plugin version will definitely work with CFEclipse.
Do you use Flex Builder 2 for the creation of MXML files for Flex 1.5?We kinda looking for solution where string in default MXML file tempate “xmlns:mx=”http://www.macromedia.com/2003/mxml” is not substituted by xmlns:mx=”http://www.macromedia.com/2005/mxml” in Flex Builder 2.
Not for 1.5 — just for Flex 2.0.