Don't call it the Titanic, but there's a new history-making ship soon to make a posh premiere in Fort Lauderdale. On December 1, Royal Caribbean's $1.2 billion, 5,400 passenger Oasis of the Seas will cruise out of Port Everglades. Nearly four football fields long, boasting 18 decks, with a crew of 2,165 and the capability to accommodate 1,600 extra guests, it will be the world's largest-ever cruise ship.As you can see from the virtual tour above, it's gonna be a real Poseidon adventure, complete