As mild mannered as you want it to be and yet still able to run with the big boys when you've got the experience.

Just don't try too hard! It's easier said than done but worth the wait.
If you're serious about a test ride on the "new" 620/750/800SS then try talking to your local dealer face to face, you'd probably have to put down a sizeable deposit but lots of places are doing that to everyone now.