I am so sorry for your loss. I hope you are able to find your new little Yorkie boy and bring joy back into your lives.
You are very wise to pick a reputable breeder first, and this link has a lot of information that can be helpful in choosing one:
http://www.yorkietalk.com/forums/bre...e-breeder.html
The Yorkshire Terrier Club of America has a list of Breeders by State here:
Dog Breeders Map List- The Yorkshire Terrier Club of America