Groovy language support becomes a little bit better in Maia with the support for named parameters completion. Maia is now capable of displaying all named parameters ever used in method bodies.
Instead of wasting your time searching the menus and toolbars in an attempt find out that action you need right now, use the Find Action command (Ctrl+Shift+A) to quickly locate what you need. It works just like Go to Class:
The Method Hierarchy action (Ctrl+Shift+H shortcut or View menu, Method Hierarchy) works in IntelliJ IDEA 9 (Maia) for Flex sources (*.mxml and *.as files) in the same way as for Java.
Twitts about IntelliJ IDEA