also check the classifieds and excite.com classifieds ... i see lots of mopeds there. it's funny, but once you start looking, they seem to come out of the woodwork.
how far away are you from madison, wisconsin? there's a store there called "scooter therapy" that sells mopeds. they have a website, too. contact them. keep looking. you'll find one. scour ebay ... they show up all the time.