BroadScope – Premium Theme by ThemeForest

BroadScope is a WordPress Theme for wordpress beginners and developers alike. The built in options panel, the visual shortcode editor and the content importer help, to set up a new site in no time. It offers the ability to convert your main menu into a mega dropdown menu which shows all its options at once.

BroadScope demo: http://www.kriesi.at/themes/broadscope/