WYMeditor
From Docunext Technology Wiki
This is another web based editor which looks pretty darn good.
UPDATE: This is indeed a very solid editor. More good news - it uses jQuery.
An Idea
I'd like the code that is created from WYMeditor to have line feeds after certain tags, to support better revision control with Git.
I've filed a ticket with the WYMeditor Trac:
http://trac.wymeditor.org/trac/ticket/218