I know all guides discourage this.. but I pick parks by EMH (AM). I go to the park that has EMH. Enjoy the 1 hr before the rest of the world comes in. Once the crowds pick up I'll hop to another park (non EMH). In the same sense after dinner I'll hop to the PM EMH park. (don't do this often since I have a small DD).
In that 1 extra hour you can get all of Fantasy Land done with no waiting, its priceless.
MGM - You can get TOT & R&R done with the extra hour
Epcot - Get to get Soarin' & MS done with the extra hour
AND
AK - EE - HELLO! EE! WOOHOO, then be at Safari at park opening (to the public) and get an early safari when the animals are being fed and active.
THEN I build my ADRs off those schedules. When I'm at an EMH park, I'll do a sitdown lunch there before heading out of the park as the crowd picks up. i.e. Enjoy MK (Fantasy Land) make it to Toontown for opening, after that, the park fills up, go eat at Liberty Tree with Mickey & Friends then scoot out of the park to Epcot to tour World Showcase.
So anyway.. I rambled, that is what I do. I've had great success with my plans. Good luck with your trip.