DVC is great. We ate every breakfast & most lunches in our room (we usually got to the park around 9am & stayed until noon - came back for lunch & naps or swimming). We went in Sept too & it is very uncrowded so you can easily get ANYTHING you want to do in the time frame you will be there.
Here is my recommendation, you can fit it in any way you want. I usually plan an AM park & a PM park (so half days) & then we nap/swim in btwn.
You need 2 full days at MK (either 2 am's & 2 pm's, or 4 am's, 4 pm's - you get my point). We usually do Fantasyland during one half day; Toontown & Tomorrowland during a half day; Liberty Square, Frontierland & Adventureland during a half day. We usually only ride on things the kids will go on. You can do child swap so you can go on some "big kid" rides if you want (if your mom does not come). That still leaves a half day for going back on favorites or hitting stuff you missed or making sure you see the parades/fireworks. A good character meal for a 3yo boy is CP (Pooh characters) in MK.
We plan 1 1/2 days at EPCOT. Half day at FW & a full day at WS. My DD was 4 & she loved the KIDCOT stations (color a mask & get a paper charm from each country). My dd is very in to arts & crafts so you can decide if you think your ds will like it. I was surprised at what a great time we had at EPCOT. It turned out to be our favorite park!! Your ds will like the boat rides in Norway & Mexico, the viking ship playground in Norway, probably the trains in Germany, maybe some shows like the Chinese acrobats, candy lady in Japan, hedge maze in England. You'll find threads with lots of stuff for kids in WS. Lots of good restaurants too!
Plan a half day (or more, up to you) in MGM. Your ds will probably like Playhouse Disney & the parade for sure. If he likes shows he might like VotLM (trust me, I saw plenty of boys in there) & B&TB. Maybe the Indiana Jones show, Muppet 3D & that new car show too (My 4yo freaked out at the 3D Mickey's Philharmagic so we didn't even try it!). You can do child swap for the thrill rides if you want. There are tons of characters that boys love, especially Toy Story characters & JoJos Circus too I think. Go in the afternoon in time for the parade & stay thru Fantasmic. You won't need the dining package in Sept.
Plan a half day (or more, up to you) at AK. Your son will love the boneyard. Pick a show, FotLK or Tarzan (I recommend FotLK) or do both!! He will probably like the safari if he likes animals.
I recommend planning a separate day (from going to the parks) for the Water Park. I think your ds will have a blast at either one. Maybe that evening you can go to Fort Wilderness. We usually go to Trails End (cheapest buffet) & then go on the hayride, go to the campfire sing-a-long with Chip & Dale (have s'mores!) & then catch the cartoon b4 the movie (it is too late for my kids to watch the whole movie). A very fun time!!
We love Chef Mickey's (at the Contemporary) for a character meal. We go for an early dinner (5pm) & then ride the monorail afterwards. Ask the CM if you can sit up front with the pilot. No one seemed to know about it & we got to sit up front EVERY time we rode!! Your ds gets a co-pilots license.
Your son will probably like DTD & you are pretty close if you are at SSR. He would probably love the
Lego place!
Here are other things we liked:
penny presses (dd was obsessed!!) & pin trading (dh & I were obsessed although we tried to fake like it was for dd!). The pin trading taught dd manners on how to approach the CM & ask for pins & say thank you, etc!!
Some good tips:
Bring glow necklaces from home. We used them every evening & dd even wore one during the day in case she got scared on a dark ride! Tons of people asked where we bought them!!!
The lids for soda cups make great drip catchers when kids eat Mickey Bars. Slip the wooden handle from the ice cream bar into the straw slit on the cup & it catches drips! (Bring Shout wipes just in case!)
Bubbles - we used them on the very few occasions we had a line or to kill time b4 a show. It always gave dd a second wind & all the other kids around us loved them too!
Go to the grocery store (we went to Publix) on your first day to stock up your room. We bought a case of water & a soft cooler so we brought them to the park. We also bought snacks, fruit, lunchmeat & stuff for lunches, cereal, etc!!
Well, I hope this helps! More then you needed probably!! I LOVE planning trips! Have an awesome time. Take lots of pics & hopefully you'll bring back the best souvenir of all - a new baby!!!!
