So far, I haven't had any problems with KaCee. For the first month or so that I had her, I gave her a litle dab of Nutrical before bed and each morning. Luckily she has only had one episode of hypoglycemia and now that I think back on that day, I could have prevented it. When they are that little, they need to have constant access to food and water. Aside from that, the only other problem/concern I've had with her is just watching that she doesn't jump off the couch or bed. At first I was worried about my other dog, A.J, playing too rough with her, but I quickly learned that she can hold her own!
Here's a thread with some recent pictures of Kacee:
http://www.yorkietalk.com/forums/sho...d.php?t=119837
Here's a video I posted, showing how fiesty she is:
http://www.yorkietalk.com/forums/sho...d.php?t=117717