I'll second the Concrete5 recommendation. It's MVC under the covers, a common sense architecture, highly customizable, an exceptional UI for content editors, an

I'll second the Concrete5 recommendation. It's MVC under the covers, a common sense architecture, highly customizable, an exceptional UI for content editors, and a good community. For content editors, we do a one hour boot camp and that is sufficient to bring anyone non-technical up to speed.