Note: Does not work on Vista, Win7.

Symantecs Norton PartitionMagic 8.0 lets you easily organize your
hard drive by creating, resizing, copying, and merging disk
partitions. Separate your operating system, applications, documents,
music, photos, games, and backup files to reduce the risk of data
loss if your system crashes. You can use Norton PartitionMagic 8.0 to
run multiple operating systems safely.