Component Joomla Virtuemart e-commerce
Virtuemart component is the most comprehensive set of e-commerce sites with Joomla. The system can be complicated because the less experienced and complete all necessary forms or additional functions to manage a real system of e-commerce site with online catalog, download, and areas reserved for customers, vendors, shipments, payments, etc. .. etc. .. The system was in English but for Italy there is a localized version on www.vmitalia.net full of provinces, VAT, tax and VAT ..
Also on the main site Download Joomla Virtuemart e-commerce Virtuemart.net there is also a member in addition to a full version of joomla to install with built-in ecommerce.