While Disney theme parks have always included attractions based on Disney films, recent years have seen a surge of new projects which left aside some of the original ideas of the first 50 years--from The Haunted Mansion and Pirates of the Caribbean to Space Mountain and Soarin'--and focused entirely on getting the most out of popular properties like CARS, TOY STORY, STAR WARS, AVATAR and Marvel Comics. What are the pros and cons of such an approach? Are the parks giving the people what they want, or giving the people what Disney knows it can sell?