For Thunderbird? Rated 5 out of 5 stars

Very very useful add-on. Thanks to it one doesn't lose "screen estate" by adding yet more standard toolbars in FF.

It would even be more useful in Thunderbird, as in TB (unlike in FF) one can't use the status bar for placing buttons. Please do consider making this also work with TB! ;-)))

This review is for a previous version of the add-on (