The states' efforts against Obamacare have drawn all the attention, probably because of the focus on the state-run health-care exchanges outlined in the law.

"Saying 'no' to a state exchange is absolutely critical to the success" of suits against the law, said Diane Cohen, a senior attorney at the Goldwater Institute, while speaking to lawmakers at a meeting of the American Legislative Exchange Council last year

Source: http://www.bloomberg.com/news/2012-03-29/orange-county-dropped-out-of-obamacare-why-haven-t-more-.html