I also map my Caps Lock to Control, but don't forget that Ctrl + [ is the equivalent of Escape in vi/vim. It's a chord, but it ends up being much more convenien

I also map my Caps Lock to Control, but don't forget that Ctrl + [ is the equivalent of Escape in vi/vim. It's a chord, but it ends up being much more convenient for me since the keys are both comfortably around the home row keys.