I just have an EMGO 1/4 faring on my 500, and it does a good job of keeping the wind off of your torso at HWY speeds while letting air get around it to keep you cool when it hot. Below HWY speeds it doesn't make much difference. I've done a lot of HWY commuting with it, and also on my un-fared 750, believe me there is a substantial difference. I'm sure a half fairing would make an even greater difference on the HWY.