Originally Posted by droy45

I have found panniers to win hands down in every case. I am not so concerned with aerodynamics as long I don't have a sail sticking out there. I don't like backpacks because it adds a lot of weight to your butt/saddle which uncomfortable and its just too hot depending on the length of your commute. On my 31 mile round trip, a backpack would kill me. Make the bike do the work for you.