I've started using the Navigon iphone app, but am having problems with the volume. For some reason the volume control within the app seems to be controlling both the volume of Navigon and any ipod music you're playing. Problem is, if I set it to a reasonable volume for music, it screams turn by turn directions at me. If I turn it way down (or off) I can't actually hear my music. It also seems like the ipod controls kindof suck - don't see many people complaining about it though, am I just picky or am I missing something?