I don't have anything concrete, but when I think of gesture drawing I think of this animated video: http://www.youtube.com/watch?v=OBk3ynRbtsw (Thought of You by Ryan Woodward)
To me, gesture drawing conveys emotion, lets the character speak without words or fine detail or even color. I think this animation brings those benefits out. I also think it's a great way to come up with more exciting postures for your characterscharacter.