Seems quite good and simple! Especially the speech recognition. :)

However, it seems to have also some of the same problems as TinyMCE with a bit of testing. E.g. I tested in Chrome by adding a new h2 heading under the first paragraph, then clicked enter and the text after that did not get automatically wrapped into the <p> element anymore.

I personally think this is one of the most annoying bugs in TinyMCE currently and it gets me visiting our clients' sites and fixing some paragraph tags over and over again.

EDIT: Little correction to the above, that usually happens when you continue some text under lists, also in TinyMCE.

My favorite is <a href="http://aloha-editor.org/">Aloah-Editor</a> - really easy to use for customers... not possible adding a link here???