Rated 5 out of 5 stars

As far as I can tell, the only extension that gives you multiple context search engines without a sub-menu. Plus it works on editable text too.
The only extension I have that was worth forcing compatibility force Firefox 4 rather than finding an alternative. Would love an official update though.

This review is for a previous version of the add-on (  This user has other reviews of this add-on.