Magento vs Volusion

The most flexible enterprise-class eCommerce platform to power your business. It's got the enterprise-class features and the flexibility you need to create an eCommerce solution tailored to your unique needs. And to help you drive more traffic to your store, convert browsers into buyers and boost online revenue.
Ecommerce website, shopping cart and hosting in one. Volusion businesses average 4X more in online sales than the nearest competition. We offer native iOS and Android applications that enable you to manage your store around the clock. Take your store anywhere with our free mobile-optimized storefront.
Magento has better video than Volusion

Face to face in the news:

2013 - Magento improves Tax Calculation to take on Volusion

Magento Enterprise Edition offers significant tax calculation updates, functional improvements, and security enhancements. The new version includes functional improvements across important feature areas, including the shopping cart, checkout, content management system, and product import and export. The developers also resolved Value Added Tax (VAT) and Fixed Product Tax (FPT) issues for the Magento admin, invoices, and credit memos so that you have access to more accurate and consistent tax calculations and displays. Magento Secure Payment Bridge is now available for Magento Enterprise Edition. So Magento is now more secure in comparison to Volusion