http://www.turtletrader.com/flash/index.htm this flash demo is a trip, check it out for some comic relief (not an endorsement of turtletrader, just giving props to a funny and poignant piece of work)
"Mortimer's motivation for conducting the sessions was to settle a dispute with his friend and business partner Randolph Duke over whether trading skills could be taught. Mortimer strongly believed that trading abilities could be broken down into a set of rules that could be passed on to others. Duke believed trading abilities had more to do with innate instincts." The wager...$1.00 His students went on to ruin the pair in the frozen concentrated orange juice pits in a reverse wager, again, for $1.00...