My last few design sites have been WordPress sites that the client can edit and maintain from any computer using a user name and password. Check out The Boston Ability Center and ReTele Communications to see the versatility and functionality of WordPress.
Some of the benefits of using WordPress as a Content Managed System.
• Easily maintained by anyone with basic computer skills.
• WordPress is open source and is free.
• Since it is so widely used, there is an enormous community of developers working on improving the software and creating extras to expand the functionality.
• Easily managed menu system.
• Blogging! Since WordPress is blogging software, blogging is built right into the site. Blogging is becoming more and more of a central component of all marketing strategies. In addition, the ‘blogging structure’ is perfect other types of information that have to be consistently updated, such as portfolios, newsletter, news, press releases and white papers.
• Plugins. Every day more and more plugins are being added. From photo galleries, to map systems, to news feeds, WordPress probably has what you’re looking for. Take a look at the plugins that are available: http://wordpress.org/extend/plugins