I've never had the chance to try a stand up ski. They look like a good time, but they tend to make more noise which is not good on the lake I live on (to many old people with nothing better to do then find crap to bitch about). I'd love to pick up a used STX-R and modify the hell out of it. My Ultra 150 is a rocket, o-60 in 5.4 seconds and a top speed of around 68 stock. I have a feeling it will be even faster when I go to put it in next year.
