Despite being a Mac fan for as long as I can remember I have always been intrigued with the ability to boot multiple operating systems. When Apple came out with the Quadra 630 and PowerMac 6100 models that had optional DOS cards in them, I was awed at the notion of quickly being able to switch over to Windows with a keystroke, and have since tackled many options for running other operating systems on my Macs, including emulation and the now popular virtualization solutions enabled by the current Macs' Intel hardware. There's something just fun about being able to boot and use multiple operating systems on a computer.