Last Updated Dec 10, 2009 6:00 PM EST
Here's a good place: Macrium Reflect is a Free and Easy To Use Backup Utility. This step-by-step tutorial shows you everything you need to know about using Macrium Reflect, from installing the program to creating your first backup to setting various options. It's a nice place for novices to start.
Of course, most users will want to use it with an external hard drive. Here's an Iomega 1-terabyte USB drive for just $97.99 shipped from Buy.com. With that drive and this software, you're well on your way to a solid backup solution.
More on backups: