I don't think it's very hard to switch to stock vim, when the keybindings remain the same. Most of the customisations commonly used are either cosmetic (syntax

I don't think it's very hard to switch to stock vim, when the keybindings remain the same. Most of the customisations commonly used are either cosmetic (syntax highlighting, brace matching, search-as-you-type, etc) or don't require much adjustment (delete through all text, etc).