I have the XT touring on my 2012 1200gsa. I am 6'3 34" inseam. Liked the screen initially but loved it after I tweaked it. I have it tilted all the way back towards me and with a 12" strip of Saeng micro swirl edging on the top of the screen. The screen's top edge is about even with my chin to lower lip area. I like riding with the screen lower and the bike seems to be much more stable in crosswinds. In fact, it is almost immune to crosswinds. Feels more sporty and quicker with the shield back. The Saeng put the final "finish" on the smoothing out the air/noise. The Saeng raises the airflow a few more inches to the point I do not have the vent air noise in my helmet vents. No buffeting at all and turbulence from cars and trucks is improved. Riding along, I can pull off the Saeng edging and wind noise is back instantly. I did try putting Saeng edging around the screen but the wafting from car/truck turbulence was increased. Across the top is optimal. Also, I do get a nice gentle breeze in the cockpit. Very happy. Much much much better than the Touratech extender I tried.
I do wear audiologist custom ear plugs when I ride. I know about windshield hunts coming from a V-strom where I spent $100's of dollars on windshields but in the end sold the bike. Aeroflow is the way to go.