The aluminium Unibody MacBooks are extremely robust in my experience. I've treated my early 2011 MBP pretty badly and all it has to show are two tiny dints...

The aluminium Unibody MacBooks are extremely robust in my experience. I've treated my early 2011 MBP pretty badly and all it has to show are two tiny dints... The glass covering is way easier to clean than my old plastic Mac laptops, and most of their plastic cases are cracking.