If your relatives are like mine and don't ever think about backing anything up until after their hard drive dies, then this is for them:
http://www.realisticpreparedness.com/index.php/preparedness-articles/81-helping-your-data-survive-a-disaster
About as simple as it gets for setting up a good backup system.
http://www.realisticpreparedness.com/index.php/preparedness-articles/81-helping-your-data-survive-a-disaster
About as simple as it gets for setting up a good backup system.