Go to a local dog show. You can find Yorkie ppl there.
Look at a referral
Breeder Referral
Look at there home. Get references if you can .
Look at there Pedigree
http://i45.photobucket.com/albums/f9...ps9a36f6b1.png
And for Yorkie you not paying more then $1500. If they are show potential your not getting it anyways. What you are getting is a breeder who tries to breed healthy animals and a health guarantee. From a pet story you make get nothing but Vet bills. But even if you buy from a good breeder you may have health issues. But they will work with you help with the bill or take the pup back if its within the guarantee. They want healthy dogs. Pet store think nothing but $$ and pump the dogs out.