On long trips, my active son is strapped into a car seat for many long hours. He would LOVE to stand up, but, of course, that is dangerous when driving. That and other things have made me do some thinking about baby seats. I have three ideas... First, when my son goes to sleep, the seat tilts so little, that he must literally go to sleep sitting up. It would be nice if the seat could really adjust so that he could be in a more prone position. Second, to strap my son in, I must go...