I just posted this in the other thread that PhiGam had opened on the recent decisions:
Tom Goldstein makes an interesting point on the SCOTUS blog that this ruling, at least on its surface, implies that the 2nd Amendment is incorporated against the states. So, this ruling would apply to state regulation as well. See
http://www.scotusblog.com/wp/ .
For analysis of the decisions, SCOTUS blog is really the best place to go, in my opinion.