It's interesting to see that a full day can be made of it. I usually just "pop in" for a few, hit GRR, ToT, and maybe either Soarin, Screamin, or the animation building. In fact, I think yesterday was the most time I've spent there in a long time, we hit Soarin (with fastpasses acquired on the way to Whitewater), Grizzly (same, as -I didn't realize this- it's not networked), then Tower.
Did Muppets last week, and yeah, it's cute, but like HISTA, you can't repeat it too many times a year. Have yet to catch Turtle Talk.