doberman breeding

I'm looking for a reputable breeder in the New Jersey area so: Pennsylvania, New York, Delaware, Virginia is okay for me anybody have any suggestions? This is going to be my first dog as well when talking to a breeder what should I be looking for?

:boldblue:Hi, Can some one provide me info on Doberman Bred lines. I am aware of EUROPEAn,American ,Argentinian and German lines.. I can tell the difference between European line from the rest...But am not sure on the exact specifics(top line,angulation,muzzle,head,neck etc) among the rest of...