I am so excited about this trip because I have never been to Disney in the "fall" or really anytime other than Spring or Summer except those 2 days in December.
What makes this a really special time to go is it's the first week of the Mickey's Not So Scary Halloween Party! One of my bucketlist goals is to go to every Disney park but another goal is to go at every special event/holiday and this is another one off the list.
I have done a lot of reading on the MNSSHP and heard it's well worth the extra money. You have to buy a ticket to this Magic Kingdom event and it's about $40 I think, I can't remember. But on the day of the party, the MK closes at 6 or 7 I believe and only ticket holders are allowed in the park for the parade, party, trick or treating, special fireworks and you can still ride the rides and there are tons of characters to meet & greet with. Basically you can get A LOT done cause there are not as many people in the parks.
I am very excited about all the Halloween decorations that will be all over the park and also excited about seeing the headless horseman in the parade. I have heard it's a must- see!