Thank you!
Estimating: the Rizoma MA006B lowers the grips by about 3" and moves them forward by about 2". It also reduces the width of the handle bar by 4" overall, two inches per side. Combined with the Comfort Seat, they net me exactly the seating position I wanted ...
I'm just shy of 6 foot tall, 29" inseam, with a long torso and arms, somewhat inflexible legs; I'm 28-29" across the shoulders too. This setup suits me very nicely, the stock setup was pretty but very uncomfortable for any longer ride at speed. I can flat foot the bike at a stop with my knees bent, and I reach forward and slightly down rather than outwards and slightly up to grab the bars. There's room to move around on the seat to relieve the butt-ache from sitting in one spot, and to help the bike turn through corners. At low speeds, I'm not trying to twist beyond my arms' and torso's limits to keep both hands on the bars when steering. At high speed I can tuck down and pull my elbows in.
With stock seat and bars, I felt like I was sitting too low, on a hard hump, and the bars were so wide and so close I felt like I was trying to manage a wheelbarrow at low speeds. Now everything feels tidy and tight, the bike feels smaller, and I'm not flailing my arms around to steer at low speeds. My elbows and wrists are loose and light on the controls, etc... perfect for best control. It's a really really nice setup for me.
If you feel the MA006B are a little too low and far for you, the MA009B are a bit taller. For me, they weren't enough different from the stock bars to warrant using them, but if all you need is for the bike to be a little narrower, they do slim the width by the same 4". The Rizoma MA011B were a bit too low and too flat for my needs: they'd pull me down and forward by another inch or two beyond the MA006B model, and would likely require a few other changes as you'll run out of room to fit the controls without relocating the instrument panel.*
* Note that for all of the Rizoma bars, you are either going to have to remove the locating pegs on the switch clusters and throttle or drill the bars to fit the components. I chose to grind off the locating pegs ... the components snug tight to the bars when the bolts are torqued to spec and don't move, and it gives a great deal more flexibility in adjusting both the bar and the components for best position. Grinding off the locating pegs takes a few seconds per component with a high speed rotary grinder like a Dremel Moto-Tool.
To determine which bars would work best for me, I bought all three Rizoma bars and loosened up the standard bars, shoved them out of the way, then fitted each of the others to the clamps (with tape on the bars to prevent marking them up) to get a sense of where my hands and torso would end up. I made my choice, then packaged up the other two bars and returned them. IMO, that's the best way to choose the right set of handlebars if you have the time to do it... It's a lot of work and a lot of money to spend up front (two thirds of it comes back eventually), but you really have a good idea what works best for you that way.