Now I don't want to be a party crasher - But if you're looking for rare breeds, I'd seriously recommend NOT getting them from a hatchery, but instead research what breeds you want and get them from a breeder. Hatcheries that do carry rare breeds carry such bad quality that they really don't look like what you are expecting. Most people who get from hatcheries want certain genders, good numbers of chicks/eggs, and good prices - You get the same from breeders, and more - Including proper quality/looks, better genes, less susceptibility to sickness, and often a locality that is easier to ship the chicks or eggs from.
Otherwise, if you truly don't care as to the quality and looks of the breed - Murray McMurray has just about every breed most people can think of.