Two years ago, we visited the World much later in the spring than we had intended. Our trip was in early May. Much to our surprise and delight, we found nearly empty parks. Almost no attraction had anything more than a 20 minute wait, and most attractions were walk ons. The number of things we were able to accomplish in one day was tremendous. Several cast members explained that we were visiting during a roughly three week window between the end of Spring/Easter break and before summer vacation started. I imagine each year is a little different depending on when Easter falls. Does anyone know what weeks would be similar this upcoming May of 2007? (I don't have school-aged kids, so I'm not familiar with the school calendar.)