My project currently uses the FengGUI.jar…
But I keep receiving this error…
SEVERE: Main game loop broken by uncaught exception
java.lang.Error: Unresolved compilation problem:
The method fireKeyTypedEvent(char) is undefined for the type Display
at ZordonGame.FengJMEInputHandler$KeyAction.performAction(FengJMEInputHandler.java:66)
at com.jme.input.ActionTrigger.performAction(ActionTrigger.java:259)
at com.jme.input.keyboard.KeyboardInputHandlerDevice$KeyTrigger.performAction(KeyboardInputHandlerDevice.java:99)
at com.jme.input.InputHandler.processTriggers(InputHandler.java:420)
at com.jme.input.InputHandler.update(InputHandler.java:405)
at ZordonGame.FengJMEInputHandler.update(FengJMEInputHandler.java:42)
at ZordonGame.MenuState.update(MenuState.java:198)
at com.jmex.game.state.GameStateNode.update(GameStateNode.java:71)
The error occurs in my FengJMEInputHandler class and I'm just out of ideas on why… Thanks for any help 
And yes, my project is codenamed Zordon.
This is because the parameters for fireKeyTypedEvent may have changed. In the FengJMEInputHandler you should be able to update the call. Have you tried using the lastest feng gui from svn?
Feng is rather stubborn. You'll really have to play with it to get it to work well with jME. When it works, however, it's HOT.