I may be the only one who feels this way, but I find high beams in my eyes to be just as irritating in the daytime as they are at night. If you feel that you must run headlights in the daytime, maybe low beams are the way to go. I'm not entirely convinced that DRL's do any good any way. If the oncoming "driver" is so distracted that he can't see something the size of a car or truck, I'm not sure that headlights are going to help.
Just my two cents.
Randy