“Ultimate” – is a premium responsive & retina ready magento theme with clean, modern and elegant design. It was designed with focus on user experience and usability, to make Magento shopping easy & quick. Its easy to customize, fully responsive, comes with lots of required features & display to all devices (screen, widescreen, iPhone, iPad, Android).
Demo: http://themeforest.net/item/ultimate-responsive-magento-theme/9828527