If your breeder's sending pics once a week and only charging $250 for males, she MUST be doing it 'cause she loves the breed. That's a good sign. Still, ask a lot of questions and consider the dog's temperment when you visit.
Orinsky is right -- search the forums. Everything you could want to know or see opinions on is here.
Collar for tag, bell and rabies tag and a harness for walks. The bell will be important so you know you baby's underfoot when he/she comes home. Also, if the bell "stops," you can check out what he's into ... or peeing on.
