What s the best WYSIWYG editor currently available jQuery suppport integration is a plus

Question

I'm working on a project that needs a WYSIWYG editor, but I haven't had to integrate one in a while, so I'm not familiar with the latest and greatest ones. I've used both tinyMCE and nicEdit in the past and I'd prefer not to use tinyMCE for this project because of its large overhead.

I don't need it to be overly complex, but I need the ability to change the available buttons on a per-implementation basis, and good compatibility with jQuery and AJAX is a huge plus. Obviously, good clean HTML support is a necessity.

So what WYSIWYG editors have you found lately? What ones would you recommend?