http://www.crowdiq.com/opex
The site allows you to bet (using monopoly money) on politics, current events, and assundry celebrity trash.
Once you sign up, look for my market (called Politickr, of course). I've set up various contracts on the '08 contenders, and there will be many more to come.
It is an expirement in political prediction markets, and I'll be commenting on the wisdom of the crowd in this blog.
So get in on the action. Come on, I know you want a piece of the Bloomberg contract...