Who cares about the ergonomics? It's a _laptop_ -- those always have terrible ergonomics, which is why you should carry a (small) keyboard and (small travel) mouse. Put the laptop on a table and the keyboard on your lap -- that way you won't hurt your neck as much as if you put the laptop on your lap, nor your arms/hands as much as if you put the laptop on a table but don't use an external keyboard.