ThemeForest - Retina Dashboard | 1,49 MB
Retina Dashboard is a back-end admin panel design to be a content management user interface but with the potential to be much more - in fact any kind of web application you can think of. It has 15 pre-built templates which can get you off the ground, but with the various UI elements and widgetized design you can quickly and easily create additional templates.
DEMO:
http://themeforest.net/item/retina-dashboard/4200548