I think you picked an absolutely fabulous hotel for kids.
The pool is great. The atmosphere and decor are wonderful.
Some "don't miss" attractions for little kids, based on my own experience with my 2 sons and 3 nieces:
MGM--Muppets 4D, and Little Mermaid Show
MK--new Philharmagic show, almost all of Fantasy Land (of course), Toontown (especially Mickey's and Minnie's house), Alladin's Carpets (2-year- old attraction)
Animal Kingdom--Kilimanjaro Safari, Lion King Show, Primeval Whirl, Tough to Be a Bug (a little intense and dark, but fun)
EPCOT--My favorite park, but still not little kid centered, I think
One tip is that you might consider trying Whispering Canyon Cafe in the WL. There are Lincoln Logs to play with while waiting for your table, the servers are very interactive, and there are child participation activities like "pony races." Th restaurant is lobby-level and fairly open, so you can check it out to see if it is a good idea.
Have FUN!!!!!!!
Wich I were going, too--86 days to go for me!!!!