Ask for Information from your local club end division. As you know, one can only pick out a show potential puppy with a good pedigree when the puppy is young, and only hope he or she lives up to their potential. Of course a female is usually worth more and may come with some kind of breeding terms from some breeders. The most important thing Is conformation or how the dog is built teamed with, flashy color either pure of Its kind or with a white collar and front. A well defined.
Pie is nice too.
There are 49 out of 50 points in the head alone. Look to the parents to see how this will probably develop. You are looking for that compact short backed well proportioned puppy with the outgoing personality. I look for the square puppy in the litter. Very often this is one of the smaller puppies.