David Wahl from Archie McPhee comes by with the latest wacky products from the renowned novelty store. We take a critical look at all the candidates to play The Joker in the next Batman movie. We head to New York City to witness bike messenger competitions. And we continue our ongoing project to build the biggest, baddest, most kick-assest Ultimate Gaming Machine PC. Plus, we select our favorites from last week's User Created challenge.