Bitbender Forums have released another guide to their "How-To" series, Using Partition Magic to Manage Your Hard Disks.

The reasoning behind splitting a large drive into several partitions is so that we can manage the free space more efficiently, and give us somewhere to store our files away from the main system drive. Using this layout, we minimize the chances of losing personal data in the event of our Windows system becoming corrupt or non-bootable. This disk layout will not however safeguard your data in the event of a hard disk failure.