Many people have already rescued their important documents and media by using Windows Home Server’s backup and restore capabilities. The prospect of losing or damaging your precious possessions is terrifying. For total peace of mind, Windows Home Server does a complete image-based backup automatically everyday. With Windows Home Server's data recovery capabilities, you can bring back individual files or folders. You can even recover a PC that's had an unfortunate accident or hard drive failure because Windows Home Server makes a copy of the entire contents of your home computer’s hard drive. Below is a "How To" video from HP, where you can watch an HP MediaSmart Server protect your files.
More info: Windows Home Server