BIG DOGS!!! all the way, yah one of my fav. dogs was a pom. Lady(right on my avatar) but i find that big dogs dont bite as often, as little dogs but when big dogs bite people make a big fuss, i dont get it?! i dont know plus id be afraid that a big dog could kill my little dog, cuz again thats what happened to Lady, she challenged a rotty, it was dutch, but lady was on dutchess propety and dutch had puppies, PLUS to add to it poms have been known to challenge big dogs, so i perfer my BIG dogs