We were in the parks Friday and Saturday. Friday was a grad night with the new format. I have to say it was not as bad as I thought. Of course, Tomorrowland was packed, but that is more on design than actual people. But there were not swarms of teenage kids. The lines were not anything that unusual (Star Tours, SM, etc were about 45 min waits). Also, they had many signs at the end of the night to direct grad night kids one way and the rest of the guests another. We left about 10 mins to closing, so we did not see how that played out. Saturday was actually busier than Friday. There were a lot of school band groups around the parks than on Friday. If the rest of the Grad Nights follow like Friday, I do not think it will be too big of a deal for others that are going.