I'm very fortunate that on my 1200GSA, there's a beautiful pocket of calm air behind the windscreen at any speed. I don't know if it's my height, etc., but it works perfectly. If I flip up my helmet visor, there is barely any wind in my eyes. Wind noise is minimal. This is with the stock Adventure windscreen.
However, I'm making plans to get an F800GS instead. My days of pleasant contentment in the air might be numbered.
I made my comment earlier because one of my riding pals is on an endless quest to cure his wind troubles. It seems he fails to understand that there will always be some wind while riding a motorcycle. I liked the car analogy because it would fit for this guy.