NYMomof4,
Welcome to the Dis. Do you have kids, ages?
The CR has the best game room on property which our son likes.
You can also check out the marina and the stores on the 4th floor.
We love the Poly, have stayed there MANY times. If you're out at night the Electrical Water Pageant (EWP) goes by the beach/dock area at 9pm nightly. There's also a good view (with sound) of the MK fireworks from there. You can pick up drinks / snacks at Captain Cook's on the way out.
Hint: Park at one of the monorail resorts and use the monorail to visit all 3 resorts, plenty of time with a 3 hour parking pass.
Boardwalk (BW) - Must see, especially at night. More lively just before and after Epcot closing. Meals or snacks, great coffee booth,very good smoked ribs and brewery at Big River Grille, ESPN, Atlantic Dance, Jellyrolls, bakery, sweet shop, Surry bikes, entertainment on the boards and great view of Crescent Lake.
Read up on all the resorts and see what you think you'd like.
steve