The short answer is: "yes, you can lower the 1000 to the same height as the 620". The longer part of the answer is how you go about it.

After "talking" with members of Multistrada.net and suppliers, I concluded that I could lower my 1000 about 3/4" with a shorter ride height adjuster and raising ...

I just bought a 2003 with 7600 miles on it for $7600. It had the large hard bags and a center stand. The previous owner had not had the 6K service done, so I did that to catch any warranty issues and also replaced the clutch and slave cylinder.

I ended up with the 1000DS after pricing out some of the suspension mods that I'd want to do; the 1000DS already had a better (at least more adjustable) suspension. I was worried that for my size (5'4" and 140 lbs.) there would be a steep learning curve to manage it vs the 620, but it's so well ...