We returned yesterday. I also found Studios to be very crowded though if you use FP, you can still get a lot done. We did EMH at the Studios on Friday, and it was kind of a waste of time. The line to get in was super slow, so we didn't get in the park right away. By about 8:30 a.m. the Toy Story Fastpass time was 11:30, so we just waited 30 minutes in the standby line.
We did get to HS about 20 min. before opening on two non-EMH days. I wish we would have waited until after 9 a.m. The first day, I went to get fast passes for RNR at around 9:45 a.m. and the return time wasn't until 2 p.m.! I'm guessing the large touring groups got all the fast passes.
The only problem I had with the touring groups was at MK. There was one group of about 300 in the Splash FP return line. I wanted to just leave and come back, but DH wanted to stay and the CM wouldn't let us go around them. When we were at AK, I noticed that the tour groups would wait off to the side until there was a break in the FP return line. If you have 300 people in front of you in the FP line, it kind of stops being fast. I also noticed many group leaders getting Fastpasses for several hundred people at a time. Should WDW have a rule about how many Fastpasses one person could get? I can see letting one person get 15 or 20 FPs, but hundreds???
We did MK last Saturday A.M, and the crowds seemed very low. We also went on Wednesday afternoon and it was way too crowded. We did Sunday at AK and the crowds were low in the morning. We never noticed lots of crowds in Epcot, though some lines had long waits. We really stuck to using FPs, so never waited long at all.