Google anything to do with Disney, and you'll find pages of blogs and websites offering planning tips, advice and mind-boggling details on restaurants and attractions. It's easy to get buried in information, but they can be helpful. Here are some options (note, some are commercial):
Walt Disney World® (www.disneyworld.disney.go.com) Official Disney World website.
Walt Disney World Information (www.wdwinfo.com) Exceptionally thorough.
Build a Better Mousetrip (www.buildabettermousetrip.com) Movie schedules and planning.
Disney Food Blog (www.disneyfoodblog.com) All things Disney dining, including where to satisfy specific dietary needs.