I use the Slipstreamer SS-10 Viper I got from Motorcycle Accessory Warehouse

Works nicely. Have had it for over a year. The longest trips have been to Daytona twice and up to Georgia. No issues with it. I have it angled to match the rake and it seems to work best there (minimal wind buffeting).

Look on the bars in this pic and just as they start sweeping up is the black hardware for the windshield:


Here's a closer look. It's hard to see but there are holes in the piece pointing forward that the windshield sticks into. The thumb screws on the end tighten onto the posts in the holes. One thing I had to do is add some blue Loctite to the thumb screws so they would not vibrate loose:


Here's from MAW's website (I have the clear version):

"Never underestimate the power of human stupidity" - Robert Heinlein