I'm currently using WP Super Edit. But the same problem persists with TinyMCE Advanced.
This is how it is configured:
This is how I (admin) see it: http://i.imgur.com/OAdnF.png
This is how my friend (2nd admin) sees it: http://i.imgur.com/mfUMq.png
I'm getting desperate figuring out why the hell the 2nd button bar doesn't show.