Please review my webapp: Da Button Factory - create shiny buttons
nav: Concept is good. I'd prefer to see a swiss army knife approach with the design. Keep it simple/stupid. Just because your application has various features and services, you don't have to overwhelm a new user by carpet bombing them (humor me;) with them. I'm sure there is plenty of feed back in this thread that will also help with the next revision. Best of luck to the team.