You're assuming a vim-centric point-of-view. Believe it or not, I don't use vim that much, and so I have no vim configuration/plugins to worry about. nvi happens to be where I spend the bulk of my time since I've cared what flavour of vi I'm using. So, I haven't "switched out of vim". I am genuinely interested in "what I'm missing" though. I occasionally trawl though youtube to look for videos, but I mostly haven't had my mind blown. I think I -would- like horizontal (or would you call it vertical?) screen splits where I have a left screen and a right screen (nvi provides splitting arranged above/below ea. other), and to fold sections of my work too, so I could (using my imagination here): ma (mark 'a), go to some other spot in the doc and: \(backslash)'a (fold the text from "here" to the 'a mark). That'd be immediately satisfying. Otherwise, I think nvi holds up really well for me.