The best CMS for personal use is WordPress. It's very user friendly and any laymen can use it without any knowledge of web technologies. Over the years WordPress has evolved and identified user friendly needs in day-to-day life. Many guides and assistance available in Google. But the buit-in templates can solve many personal needs. As you can notice with the latest release of WordPress 3.5, default themes have achieved common personal needs.
Try WordPress. Install it in your machine and play around with the widgets, menus, posts, pages and experience the difference, how easy it is to configure into a professional responsive website.