If you're interested, there's a big dog show next weekend in Denver at the National Western Complex. It's the biggest show in Colorado of the year.
You can view the judging pannel onlilne at
http://www.onofrio.com/jp/PLUM1JP.pdf. Scroll down to page 16 and Yorkies are at the bottom of the alphabetical list.
I think it cost $5 for admission.