IDE that uses an external editor?

[Carl Friedrich Bolz]

skip at pobox.com wrote:
> One thing that's kept me from even looking at IDEs is that to the best of my
> knowledge none of them will integrate properly with external editors like
> Emacs or vi.  I know lots of tools support "Emacs-like keybindings", but
> believe me, I've never found one that does a decent job of that.  There is
> just so much more to powerful editors like Emacs or vi than a handful of
> cursor movement commands.  Once a person is proficient they generally won't
> accept substitutes.
> 
> So, please prove me wrong.  Are there any IDEs that will actually work with
> an external instance of Emacs (either by firing it up or by using a remote
> connection program like gnuclient)?

I have never actually used it, but this project seems to integrate Vi
and other external editors:

http://pida.berlios.de/

Cheers,

Carl Friedrich Bolz