..."and on your left, the Gays."

For gay and lesbian residents, who are doing nothing more remarkable than, say, walking over to Cliff's Hardware Store, the idea that as many as six tour buses could turn up at once seems bizarre. They also worry that the upcoming release of the movie "Milk," based on the life story of Castro Street politician Harvey Milk, will just be another step toward turning the Castro into a kind of urban theme park for looky-loos.