I just got back yesterday, and was there all last week. For the most part, it was crowded but do-able. The worst I saw - actually the worst I've ever seen since I started going in the early 70s - was at Everest. We went to Animal Kingdom at opening on Monday. We ran straight back to the safari, then went over to get fast passes for Everest. Figure this one . . . we got the fast passes at about 10am, and they had us returning at 6:40pm!?! It was definitely worth it, but I've never imagined waiting 8 hours for a ride!! I'm not sure I would do presidents' week again, but it was nowhere near as bad as I was expecting.