The first thing I do on any new computer I get is to swap the mapping for the caps lock and left ctrl keys. This makes ctrl+[ super easy (double pinky flick),

The first thing I do on any new computer I get is to swap the mapping for the caps lock and left ctrl keys. This makes ctrl+[ super easy (double pinky flick), and it also makes using the vim window commands (ctrl+w) easy to access, which I use a lot.