But 'ergonomic work' has a lot to do with posture as dictated by screen positioning, not just size. With OP's setup, the 180 degree thinkpad hinge and external keyboard allow him to sit with relatively good form. I used to have a hotdesking setup that similar [0].
How do you do that with a MacBook, where the screen only bends so far? Do you also use an external keyboard?
How do you do that with a MacBook, where the screen only bends so far? Do you also use an external keyboard?
[0]: http://i.imgur.com/3R51QXE.jpg