The biggest game-changer for me in converting/sticking with emacs was finding out I can edit remote files with my local emacs via TRAMP (https://www.emacswiki.org/emacs/TrampMode). No more logging into remote machines and installing a sub-standard subset of my highly customized editor configuration.
And before you say it, yes I know you can edit remote files with vim too. But with emacs/TRAMP it's dead simple.
I sometimes use IntelliJ and sublime but if I'm sshing around our network or editing random configs vim is the one that jumps to hand, and it's pretty much my default for everything now. Vim modes in those two IDEs are also pretty good.
EDIT: vimscript kind of sucks though, Emacs is way better on that front