I use emacs for all my coding work (multiple languages) and am very satisfied with it. I have tried Komodo and a couple of my colleagues at work swear by it--it's a bit bloated for my taste, but probably I am kind of old fashioned... (btw: same holds true for Eclipse--imho at least). It would probably be nice to know what experience you've had with emacs and why you are looking for an ide, then people might be able t…
There is also external completion for Emacs with rope library ( http://rope.sourceforge.net/ ), which also provides some refactorings. It is very useful, but not always stable.
Thanks -- I will give it a try (since I am too stupid to get pycomplete working...)