Here’s the opinion. I’m sure it will be the topic of much discussion at the Pierce household.
http://www.nytimes.com/interactive/2012/06/29/us/29healthcare-scotus-docs.html
Summary: The law survives as a tax. But Roberts goes out of his way to explain that Congress had no power to create the law under the Commerce Clause.
Good news for health care. Bad news for Commerce Clause jurisprudence.