Funny you should ask this. I just traded emails with Kelsey at Oscar Controls today about this very topic. I decided to go with the Pro because it sounds like it will have a better feel to it. However, I've had a few people tell me that I wouldn't be disappointed with either model. Either way, make sure you have enough room to mount it. The Pro takes at least a 4" x 4" square area to mount it.
Here's Kelsey's response to my inquiry about the Pro vs. Model 3:
"The Model 3 is designed to be a compact spinner. While there aren