10 Aug 10, 09:50PM
(This post was last modified: 10 Aug 10, 10:01PM by MusicMan10.)
I recommend Cubepad, it is specifically designed for editing cube-based .cfg files. You'll need to know how to extract from .tar.gz though, because it's currently only available through the SVN repository. Be warned, it's still in beta, so a few features may be missing.