Exactly. I'm at a new job (in a ColdFusion environment, of all things) and they've stuck me on a Windows box like all of my other web design jobs. My muscle memory and best productivity is in TextMate, but obviously that won't happen here, and I'm not going to get the company to pony up the money for Windows TextMate knockoff "E".
I'll be damned if I use the Dreamweaver editor much longer, so I've been considering having IT install either Vim or Emacs (or both) since nobody will whine, the software being free and relatively resource-conservative. And obviously I'm going to become pretty good with whichever one I choose, so I'd like that one to be an editor that best fits my future needs, and that maybe I can use on all platforms since using a Mac-only text editor is not the best idea when I'm regularly going between Mac, Linux, BSD, and Windows.