Just wanted to come back a few years later and report that both dogs are doing fine.
The first one I bought is 6.4 lbs and healthy at 7.5 years old
The nearly 4 year old is healthy and happy as well, however, her coloring never changed from her puppy markings and she weighs 13 lbs. I've heard this can happen, but I do wonder if she is mixed with a silky terrier. Either way, I love both of them.
Also, the 6.5 year old that I got from a friend of mine is weighing in at 11 lbs, but she is all yorkie, go figure. She's also still meaner than a snake, but sweet when she wants to be.
Also, I haven't seen Misty Irwin's ads in a long time, but then again, I don't plan to buy any more dogs.