Paul, I've just ordered tobinators for my adventure screen. When I've fitted them I'll let you know how easy they are to fit............I do a pretty good impression of a blindfolded, cack-handed moron!
My 1150 GS 03 model came with the Adv. screen as an optional extra and there is some adjustment although its a small amount it does make some difference. The screen fixing holes can be elongated a little to provide for extra adjustment if needed.
If I managed to fit them, YOU can fit them. The instructions were excellent, and on the ADV, there are a couple more steps as you have to replace the mounts first, but no problem. Took me less than half an hour, and that was with my sons 'helping'....
Prices etc are on his site at http://www.stopthebuffeting.com/
I'm still experimenting with mine...I always forget to take my allen keys out to adjust them...made a difference though.