Story is here
No, the feds still won't recognize the marriage. But this is still a big step forward. Under prior law, even the limited rights available to domestic partners required that you have three different documents handy to prove you were married, since there was no centralized registry. One of my worst nightmares was someday finding out my wife was in some hospital, and having to root around for legal documents before I would be allowed to visit her or make health care decisions for her if necessary.
The complete text of the Attorney General's opinion is available here