Over the years I've tried using Acronis Disk Director, System Commander, boot.ini, and grub. Invariably, something would hose up the boot sector or boot loader on one of the drives and cause problems. I started looking for a better way to dual-boot/multiboot. I've found an inexpensive hardware method to boot multiple operating systems without using software boot loaders. Before you boot your PC you turn a rotary switch to select the OS you want to boot. If you can solder, you can build one of these switches. I've been able to use 3 different operating systems on the same PC without fear of them interfering with each other. The catch: It only works if you have SATA hard drives. (It will not work with IDE hard drives.) For detailed instructions on how to build one of these switches, go to www.thesataswitch.com