Over the years we've installed Ohlins all around on our bikes, the difference in handling was always greatly improved and worth the cost.
With that said this will be the first bike I'm completely and surprisingly content with the OEM suspension and won't be replacing it until I wear it out. Granted, at 180 pounds with gear I'm at the exact weight the suspension is tuned for, but still it feels very good to me for the various road conditions I ride on.
Before I spent much time on the bike I tried to swap my Ohlins rear shock off the R1200R, it doesn't fit. Too long and the top mount is larger on the ninet OEM shock.
I also spoke with Dan Kyle @ Kyle Racing - Roadracing Motorcycles
, my go to guy for all things Ohlins who is one of the best in the business. He put in a request to Ohlins for a shock for the ninet, there's nothing available yet. He also told me for about $1500 he could install Ohlins cartridges in the forks, making them fully adjustable.
If you're looking to do suspension work I would suggest calling him, he's a great and very passionate about his work kind of guy who will take the time to answer all your questions.
Like I said, I'm good for 20k miles, then Ohlins all around it will be for me, including a damper once they have the bracket made.
BTW, I'm moving the tube related posts to one of the more appropriate and numerous tube/tire threads.