+1 to the above; you can't beat these motard helmets for their increased shield area. Makes seeing crazyass cagers all the more easy. And at least with the Arai, taking the peak off and swapping shields is easy.
I've got an Arai XD and love it, the peak catches a bit when you look to change lanes but nothing to worry about, I don't even notice it now. I've done 195kmh and the helmet was ok, it started to lift up a bit so I had to slow down and tighten the strap.