Unfortunately we only have 1 day to visit and it happens to be NYE. We will be there w/ our 3 kids (11,13,15yrs). I know US has the parade and Citywalk has the big party, but what is IOA like (besides extremely crowded)? Do the crowds thin out as people go to Citywalk? Does IOA have their own way of counting down or celebrating? The park is open til 1 but how late are the rides running? Any advice what time to get there if it opens @8am? Any advice is appreciated.