Hiya!
I posted on the general board re: the YTCA breeder members in NM:
Dog Breeders Map List- The Yorkshire Terrier Club of America
I would say that waiting on their list would always be better than trying to get a puppy in a rush. At least then you know you get what you've paid for from breeders which breed to standard and that includes health, temperament and looks.
Hope this helps!