These two come highly recommended, although I've personally never ordered from them (I feed mostly live)...
http://www.themousefactory.com/
http://www.rodentpro.com/
I think your snake could handle a small adult mouse, or a weanling rat as suggested. How much does he weigh, and how old is he? My youngest ones are all on adult mice now, and weigh between 290-390g. Nice looking albino, btw!![]()