Lehman is less interconnected than AIG. AIG's has over a trillion worth in derivatives. I think Lehman had ~600 million. The future moral hazard won't being too big to fail, but being too interconnected to fail. edit: Interesting article overall... And now comes the insurance crisis http://www.eurointelligence.com/article.581+M53a96701078.0.html
So at what point should we just let some of these companies fail, take the hit, and start building again, and at what point does the government have no choice but to bail out.