Quoting IT: A CMS is more than product

"Painful upgrades are just one example of how selecting a Web CMS is more than just buying an off-the-shelf product. When you commit to a content management system, you're investing in the system's leadership, vision, and reliability. It's not just about how the system looks now – it's whether you can trust it to perform year after year, and upgrade after upgrade."

 -Marianne Kay, Research Analyst, "What a Failed Umbraco Release Can Teach Us About Upgrades", Real Story Group, November 28, 2012.