Dungeon Journal Enhanced
http://wow.curseforge.com/addons/dungeon-journal-enhanced/ Feature requests, suggestions, bug reports report on: http://wow.curseforge.com/addons/dungeon-journal-enhanced/tickets/ Help to translate the addon at: http://wow.curseforge.com/addons/dungeon-journal-enhanced/localization/ Description This addon is to enhance the Dungeon Journal. In the first version it shows which spells/adds are new/removed in the heroic version of an encounter compared to the normal version.
www.curse.com