Designer Must Have ! Rated 4 out of 5 stars

Having problems finding a CSS declaration affecting an element in your application view or your "Joomla! " C.M.S. template? Then get this add-on and in no time, the culprit is identified in real-time.
How many bottles of Advil this will save interface designer's is reason enough to install it, and for examining tricks used by awesome sites to generate those inspiring layouts and effects Firebug becomes a tool second to none.

This review is for a previous version of the add-on (1.05).