Has anyone used the Magento Community version for a live site?

http://www.magentocommerce.com/product/compare#comparison-chart

Ive used ubercart for a few sites and im wondering if the free version of Magento is workable for someone with CMS and eCommerce experience, or are their security issues?

Thanks

Has anyone used the Magento Community version for a live site?

http://www.magentocommerce.com/product/compare#comparison-chart

I've used ubercart for a few sites and am wondering if the free version of Magento is workable for someone with CMS and eCommerce experience, or are there security issues?