Does Judge Vinson's Ruling Halt Implementation of ObamaCare?

The Cato Institute's Ilya Shapiro argues that it does:

In discussing whether to issue an injunction – a judicial command to do or refrain from doing something — the judge determined that his declaratory judgment in this context was the same as an injunction.  That is, a federal court saying that a piece of legislation is unconstitutional is effectively the same as a decision mandating the government to act.