Foresight Exchange - FX Webface [TheOldNet][Direct] -
Funny money betting establishes consensuses on the likelihood of many future events, both serious and silly. Formerly idea futures.
The Track on Boston.com [TheOldNet][Direct] -
Server-push racing: Pick your horse, make a wager, then watch the race. Try to crack The Track's running list of the Top Ten bettors of all time.