I'm riding an overnight 300 Friday. My biggest concern is how to avoid the lazers of deth. Have thought about starting late, that just means I'm going to get flashed at as I pass others. - I suppose it's a way to avoid the willy wavers at the front. Last year I was in a group riding lanes we asked one rider to dim his light as it was dangerous, he seemed quite proud of the fact that this was not possible.