I'm thinking about enrolling myself into my first underwater photo workshop (instructor well known pro underwater photographer). I would consider myself intermediate level underwater photographer but quite knowledgable about above water photography but not professional. I would like to take my underwater photography to the next level of creativity.
How useful have non-beginner people found these workshops? Worth the money? Have you've discovered things you wouldn't have thought of by just reading books/forums?
Thanks for your opinions.