[Sir_Cmpwn]

A tiling window manager would blow your mind. Anyone whose productivity is improved by using tmux should really try out something like i3 or xmonad or awesomewm.

I use i3: http://i3wm.org/

My vim-like config: https://github.com/SirCmpwn/dotfiles/blob/master/i3/config

[BadassFractal]

I use xmonad on 2 screens, it's amazing how much better it feels than without a tiling manager.