Let's not forget also:
Hobby Wholesale
http://www.hobbywholesale.com
Great Hobbies
http://www.greathobbies.com
Hobby Alley
http://www.hobbyalley.com
Kites and Other Delights
http://www.kitesandotherdelights.com
I mean hey, if you're coming from out of town, you might as well visit more than just one shop.