This is it! Here are the last batch of entries to the Iron Viz at the Tableau Conference in Seattle in September. Now let's hear who YOU think should join the data brawl with our first contestant, John Mathis, winner of the Elite 8 Sports Viz Contest last March and Jeffrey Shaffer, the winner of our Quantified Self Viz Contest. Use the Twitter buttons to vote for your favorite viz! The crowd favorite will win a special prize of $500. The winner as chosen by our panel of expert judges will move on the the Iron Viz championship. So get to clicking those tweet buttons!