There's no better way to get to know a new ship than by doing a transatlantic sailing on it. So pretty much the moment Carnival Cruise Line opened up bookings for the UK-to-Miami 14-night sailing aboard Carnival Celebration, I booked passage. Truth be told, that was so long ago — and so many cruises ago — I almost forgot! But here I am, ready to share with you my first impressions of the Mardi Gras' sister ship as we make our way to her new homeport. First Thing's First When cruise lines introduce a new class of ship, they tend