"Takesako introduces how to detect browsers without any CSS nor JavaScript hack. His method make uses of known html parser bugs in existent browsers. Currently supports firefox2.0, firefox1.5, other Gecko engine, and Safari2, Safari3, Opera, ie, w3m, lynx, and others."
DiggSearch is a Search Plugin for the Firefox Search Browser (and all Mozilla/Firefox Derivative Browsers). This plugin allows you to search Digg from the firefox browser when you aren’t on the Digg Homepage.