Sorry I'm not much help but here's my two cents on a few of your questions:
2. YES!!! There is a new area called Anaheim GardenWalk that you simply must check out. It's not far from DL at all. Here is a link:
http://www.anaheimgardenwalk.com/
There are some great restaurants there. My personal favorites are The Cheesecake Factory (YUM!!!!), P. F. Changs, and California Pizza Kitchen (Santa Fe Chicken pizza is my fave there).
There is also a Bubba Gump, and a few others that are supposed to be good but I haven't been to those.
Maybe one night you and your DH can take advantage of the built in babysitters and go out to a dinner there alone.
4. Okay, I haven't done this with my own kids, BUT I had considered it at one point and I did enough research here on the DIS and other places to know that I think a 4 year old would love it. Especially since you can pick different packages and really tailor it to what they enjoy. So I'd say go for it.
5. You must try the bread pudding at Jazz Kitchen. And check out Marcelines Candy Shop and see if they have the pumpkin fudge out yet. I'm not sure how early they start making it though. I know they'll have it in October, or at least they did last year. Not sure about September.....
The items you have listed for the treat bags sound perfect. Exactly what I'd do if I was planning to make little bags or baskets. Hmmmm, maybe I will. I wasn't going to in order to cut down on costs, but now you are making me rethink that plan!!
I love that wedding pic. Your dad looks too funny. And you look like your about to knock your DH over!
The cake is so cute. And now I want some cake darn it.