WooThemes PixelPress is a fantastic looking responsive WordPress Business / Portfolio theme that has an available child theme for WooCommerce which also allows you to operate a fully functional e-Commerce website.
UberShop is a modern flat responsive WooCommerce theme that will allow you to setup an online store using WooThemes WooCommerce plugin with the end result of showcasing your products in a modern and clean eCommerce design.
The design of UberShop is as you would expect from a flat design theme with a focus on content and flat minimal colours. UberShop comes with a Theme Manager, Page builder, Front Page Manager and many other options that you can use to customize it’s layout and design. UberShop also features a multi level menu along with having integration with the WPML plugin.
Pluto is a multi purpose responsive WooCommerce theme that allows you to create several different types of site from inside a single theme package. You can have a business type homepage site with slider or parallax effect or a online store powered by WooCommerce.
I particularly liked the layout and presentation of the shop page with this theme with it’s nice clean and modern feel.
StoreFront is the official WordPress theme created by WooThemes for their ever popular WooCommerce plugin. StoreFront is targeted as a lean and efficient base theme for your WooCommerce installation allowing you to add more theme functionality via extension plugins and code customizations.