Ping Magazine highlights 5 different concept-to-realization storyboarding case studies, with examples of original conceptual sketches as well as the finished product. This particular article deals specifically with concept visualization;

“…it’s all about how to make the idea as clear as possible as storyboards are often used to convince clients about your ideas. However, a storyboard is not a shooting board. So a storyboard is more about the idea then how to shoot it. It’s better to give a director some kind of creative room, which will benefit the end result.”

Very interesting reading.