I'm a shorty myself,
I shaved the seat almost down to the plastic, Butchered it so bad I had to get a Corbin.
Corbin claims a full inch lower... BS! a half inch at best.
On that other site, a guy named trackeroldguy put a 35mm shorter rear Hagon shock.
I've used dog bones on other bikes and it does change the geometry, Unless you are a serious sport rider, You probably won't notice, it sure makes it easier to do parking lot stuff.
Around town I don't mind a lowered bike, On the track its a different story, I will bring it back up to normal position and reset the suspension.
I have not changed anything on the S3 other than the seat, Just learned to deal with it.