I have not had a chance to play around with it much and I'm not sure about embedding (it's late, I must be off to bed!), but take a look at Amy Editor: http://w

I have not had a chance to play around with it much and I'm not sure about embedding (it's late, I must be off to bed!), but take a look at Amy Editor: http://www.amyeditor.com/ http://www.amyeditor.com/ Edit: Here is a screencast of it in action: http://www.amyeditor.com/screencasts/collaboration1.mov http://www.amyeditor.com/screencasts/collaboration1.mov