Zero Gravity makes sport touring windshields for the 500R. Anybody have any experience with them? As you can see, I'm narrowing my short list down, and the 500R keeps moving up the list as one of my most logical re-entry bikes. Anyway, what about these after-market windshields, any feedback? Of course I'm looking for something that will minimize the wind noise in my helmet, which is what you'd want for sport touring. I used to use earplugs on unfaired bikes, but they're such a pain, and they minimize your ability to hear what's going on around you.