Always remember that this whole thing started with a mouse.
Walt Disney
My favorite WDW trip planning sites:
Good Information:
Walt Disney World Information Guide by Deb Wills
Pete Werner's Disney Information Station
Disney World
WDWMagic.com
Mouse Planet
Mickey News
Travel Channel - Walt Disney World
Sorcerer's Page
Intercot
Themeparks.com
DisneyZone - this site has a place
where you can register to receive a monthly newsletter
Disneytrips
Disney Dreams
A complete guide to Disney World
WDW Tour
Discussion Boards:
Intercot
Trip Planning: (tips and tricks)
Weekly Walt Disney World Live Entertainment Schedules
Priority Seating (Advance Reservation)- explanation and link to calculator
Money Savers:
Disney Dollarless
Mousesavers.com
Affordable Walt Disney World Vacation
How to make eating out at Disney World NOT take a bite out of your wallet
Good Pictures: