Johnny Depp is one of the best actors in Hollywood. He is diverse, radical and can go mainstream when/if he wants.
I made a review list of his 8 versatile roles that I really love:
http://cinemaroll.com/cinemarolling/johnny-depp-top-eight-movies/
Public Enemies Review:
Johnny Depp is a multi talented star. His impression to me is that he can do any task set before him. He not only does these tasks but masters them as well. I hope he continues to entertain us with his wide range of characters for many years to come.
You are right. He is diverse, talented and very capable. I look forward to seeing him in The Tourist, his upcoming action/comedy.