I haven't ridden a SD, but would like to, it was the other bike I was considering, but getting it with an up/down QS meant buying new with options and that made it too expensive. I was able to pull away a bit on the Tuono, which surprised me because I thought he'd eat my lunch on the straights. I loved the looks of his SD, other than the shrouds up front it is very minimal. Engine, frame, swingarm, gas tank, with the motor almost totally visible with the trellis frame. Very cool, we're lucky to have such great choices.