We have been IN Oct. 2001 and 2004. The main times that we notice the crowds are at the Nighttime shows. Spectro will be CRAZY with so few showings. Fantasmic also fills up pretty fast.
Wait times for rides aren't bad at all. We usually get through all the attractions in each park, including all parades and shows, and the headliners(Splash, TT, TOTect.) at least 3-4 times in our week trip.
SO.. it sometimes seems very crowded to us, BUT, we see absolutely everything that we want to and more!!!
We will keep going in Oct.!!!!!