In the last decade number of digital materials in our daily life turned from snowball to avalanche. Physical archive items such as photographs, films and songs became digital files, which need systematic arrangement. Day by day our digital assets grow and most of us do nothing to arrange them, until the day comes to find an important document, which could not be easily found.
I saw this guide on U.S. Library of Congress' Digital Preservation web site and I thought it might be helpful to you too. U.S. Library of Congress holds the world’s largest and most comprehensive collection of films, television programs, radio broadcasts and sound recordings in their digital vaults. So they know their business.
Digital Preservation web site provides tips to help you archive your digital materials effectively. By digital materials I don't mean only photos, music and videos, but your e-mails, personal information and favourite web sites as well. Site gives detailed information on every subject and you can download a PDF of tips too.
Their tips already proved useful for me thus far. Even if you think you are a good archiver you might as well check out what they say.