one thing I hate about java development are their IDE’s, and configuration/setup involved to initially get going.
does grails have these issues? from the looks of it, it seems you need a command line open and then any text editor will do. (apart from a mysql and tomcat install).
are these assumptions correct or its better to get eclipse setup also?
I would recommend NetBeans over Eclipse for Groovy/Grails development. I like Eclipse for Java, but for Groovy/Grails the support in NetBeans is vastly superior. I can’t speak to IntelliJ directly, but I have heard good things.
You are correct in stating that an IDE is not strictly necessary, and its advantages are less in Groovy compared to Java. For instance, code complete is a much less exact science with dynamic languages. Still though, I do find it convenient to have the project structure more easily navigable and syntax highlighting is good for catching pesky missing quotes and other things the IDE can identify.