Here is two free e-commenrce WordPress Themes.
Xenastore is an ecommerce WordPress theme. This theme depends on an ecommerce plugin called Cart66 to function as an e-commerce portal. This is a free plugin with an option to upgrade to a paid pro version. The theme is feature rich with custom post types, taxonomies, metaboxes, Theme options etc.
As a wordpress lover I can frankly say that its hard to believe that this theme is free! It got a beautiful design and astonishing functions. Just go to web2feel.com and grab it for free!!
Ecommerce wordpress themes are always in demand and almost all good ecommerce themes are paid themes. This theme is designed to work with the Cart66 ecommerce plugin. There is a free version of this plugin available for free at Wp plugins site – Cart66 Lite. You can upgrade to a pro version of this plugin if you want.
The Zenshop theme is designed with a minimalistic style with a grid layout to showcase your store. The supports WordPress 3 features like Custom post types, custom taxonomies, Custom metaboxes, Custom menus, Custom page templates etc. The theme also comes with an options page and user guide page.
Just go to web2feel.com and grab it for free!!