GFA has a good section in his Stillhunting book on footwear. He mentions mocassins, converse all stars, but I don't recall anything about wrestling in whale snot. :D
I have a pair of leather boots made in Fiji that are of a 'cheap' enough quality that the soles are thin and flexible. They actually work good for stalking, because they bend over and around sticks, twigs and stones on the ground causing less cracks, snaps and noises. I like ankle support and protection for my feet in a mid-high leather boot.
Re: mocassins, I think GFA recommended getting rubber tire shreds and glueing them on the bottoms with rubber cement to provide traction.
I've been out of the States for too long. Those five fingers shoes look weird. Hadn't seen them till today! So you wear special 'finger' socks with them, or no socks at all? We've come a long way baby.