They're good people down there. Helped me dial in my 12GSA with a lip.
Just my experience of the aero effects of windscreens on the 690e. I never found anything that worked for me. I tried the KTM touring screen, Lynx and Lynx with Laminar lip. I'm 6-2. The problem is that even if you get the air to flow over your helmet there's just too much low freq turbulent throb that's particularly sensible with ear plugs on. It's impossible for ears to survive that punishment for hours and those pressure oscillations permeate ear plugs. My conclusion, it's better to go stock with ear plugs - no turbulence - just constant wind noise and pressure like all the bare bikers.....or get a 12GS like I did!
I don't ride my KTM on the hwy anymore unless it's to a close offroad ride.