Here's some of my favorite related links. If you know any good links which would fit in here, send me a note and I'll look it over.
Aladdin: A Musical Spectacular Sites
Official Site The official Disneyland.com site for the show.
Playbill for Disney's Aladdin: A Musical Spectacular Cast lists and mini bios. No longer updated.
General Aladdin Sites
Aladdin Central The most comprehensive Aladdin site on the net!
Street Rat Aladdin news and more, updated regularly.