I just found this one craighslist:
100+ Vendors under one roof
Free Admission
Free Personal Wedding Websites for the First 100 Registrants
Free Goody Bags ($15 value) for all Brides and Grooms
Fashion Show
Live Entertainment
Free Parking
Hilton Orlando
6001 Destination Pkwy, Orlando, Florida
Date : September 12th 2010 •
Time: 12:00 noon to 5:00pm
http://www.floridabridalexpos.com/