X is Dead! Long Live Y! is a great title for an article not least because it can provide a great graphics jumping-off point. It is so great that Wired has used it for their September issue: The Web is Dead. Long Live the Internet.
They've used it before, as you can see from a simple search of the Wired site. Here are some -- not all! -- of the X is Dead! Long Live X! Wired articles.
Automotive
Technology
And a Google search on the phrase "dead long live" is rewarding.