Virtuemart is a Joomla shopping cart plugin and cab become very useful for those who know how to install and joomla components. The ideal thing to say here is that its free. Below are some of its features.
Features:
* Based on Joomla
* You can change the currency while shopping
* Seo friendly structure
* Powerful admin panel from joomla
* easy to install and learn how to use it.
* Once problem occurs after installing it, you can easily troubleshoot it from asking in the joomla forum.
Demo
http://adf.ly/jDrq
Download
http://www.ziddu.com/download/14099804/VirtueMart_1.1.7a-COMPLETE_PACKAGE.j15.zip.html