Not much, but I don't think the government should regulate it.. When you have more government regulation, there is going to be more problems....
"The derivatives genie is now well out of the bottle, and these instruments will almost certainly multiply in variety and number until some event makes their toxicity clear....[They] are financial weapons of mass destruction, carrying dangers that, while now latent, are potentially lethal."
-- Warren Buffett, Chairman and Chief Executive, from his Letter to Shareholders, 2002 Berkshire Hathaway annual report
I suggest that you take the time to find out what Buffett meant by that statement, and then come back and tell me if you think they still shouldn't be regulated.