Joey is CKC registered, and he's pretty obviously not the best quality dog ever...don't get me wrong - he's my first yorkie, my baby, and I would do anything for my little boy, but he's got such bad knees that he's pigeon toed in the back, he's got allergies I'm pretty sure, and his hair is very thin and fine. He's got a great temperment and everything, it's just the knees and hair and such. his coloring is gorgeous, too
I personally wouldn't go for another ckc dog, though, simply because I don't think they are as strict with the physical health quality of parents.