Did you speak with Carolyn yet? Here's her website.
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I can recommend her as a great person of very high standards and ethics. She has some beautiful dogs, good quality and she shows her dogs. She breeds Yorkies and Biewers and has fine examples of both breeds.
Good luck in your search and I agree with everyone else. Take your time, be VERY picky regarding the puppy AND the breeder.. in the long run, you'll be happy with your decision to wait for just the right combination.
-Diana