To back up raquo here, Coda (http://www.panic.com/coda/ http://www.panic.com/coda/) is my current editor of choice for most things. It's got great collaborativ

To back up raquo here, Coda (http://www.panic.com/coda/ http://www.panic.com/coda/) is my current editor of choice for most things. It's got great collaborative editing, a very nice UI, good syntax highlighting and plugin support.