Here are some helpful links, and some of my favorite information sources:
Mickey's Magical Cruise Guide - the BEST! It has EVERYTHING!
Dave's DCL Tribute - Navigators, menus, and more
The DIS message boards - A direct link to the message boards at Pete Werner's site
Cruise Critic- Not as active as DIS, but still decent message boards
Disney World - The Online Guide - Over 300 pages of info. for UK visitors
Jared and Staci's Honeymoon Trip (a work in progress w/photos)
Deb's Unofficial WDW Site - the most complete WDW resource anywhere
www.disneycruise.com - the official website
Disney Dollarless - Save money on your Disney trip!
Form to send email to Disney cruise
Link to order Steiner products that are used in the Vista spa
http://www.dolphinswims.com - this is offered as a shore excursion by Disney now