I second Atlantic Dance Hall. It is such an amazing location. We did not want to do the ballroom thing either. We could do that in CT! ADH is like renting out a night club. Our guests loved it, we got so many compliments. It is a lot of fun!
One thing to keep in mind with America Adventure Is that you must guarentee 100 guests and if your count drops below they will move your location. I really wanted this location too and was figuring the same guest count as you. It's a good thing we didn't because we ended up with 85 people

. If you are looking to do something at Epcot consider a dessert or welcome party. Also look into the Living Seas for a reception.
I agree with everyone else don't waste your time visiting places you can see on your own and really do your research. Put a list of questions together and ask everything no matter how small!!!! You will see there are a lot of rules for Disney weddings so it's best to know everything up front.
Also consider getting Passporters guide to Disney weddings. It is so beneficial especially down the road. It will go into details of ceremony and reception locations. There may be something you hadn't thought about before and will help you build your question list. Good luck