http://clement.beffa.org/labs/projects/middleclick/. Here is a program to add triple finger middle click to the Macbook track pad, it is so very useful.

I really struggled with this when I started playing and still get frustrated. I still find myself hitting escape instead of q to clear the selected item as it has become a sort of universal "cancel action" key in games. Maybe changing the behavior of escape to not just close windows (also,...