As far as brick chargers go, Mophie's tend to have a touch of style, but these types of products are more about utility than anything else.
Here are the quick specs:
If you're comparison shopping, Monoprice does sell some similar units for much less. For instance, the dual-port 5000 mAh External Battery Pack and Charger retails for $28.95. It can charge an iPad as well as smartphone at the same time.