I don't know, I just like having the default one. When I upgraded to Lion over SL, it was the same, except it added Launchpad, Mission Control, and FaceTime. I would assume that normally, icons in the Dock that were in Snow Leopard aren't in the Dock by default in Lion, like the Applications folder and Dashboard. So, does anyone know the default dock for Lion, or if there is a way I can find out? Thanks.