[nick_riviera]

Inner system effect for you that is.

I don't really want masses of extensibility but what I want is something that works out of the box, is understandable and doesn't require masses of customisation that I have to drag around with me everywhere.

On this basis using viper with Emacs is as illogical as using vsvim with visual studio. One should use vim (or vi which I'm equally happy with)

[jeremiep]

This assumes you're free to choose your development environment. I've seen many projects forcing everyone to use the same development environment.

Things like vsvim or emacs for eclipse become incredibly useful when you want to keep your productive habits in these clunky IDEs.