All of the Win32 Operating Systems on a Single Box?

Shadarr asks: " We would like to be able to have one machine and put each version of Windows (95, 98, and NT) on a separate partition on the hard drive, then use a boot loader to pick which one to start each time. This would probably not be that difficult to set up. My worry is that every time we reformat a partition and reinstall Windows, it will over-write the master boot record and we will have to re-install and configure the boot loader. Is there a way to protect the MBR, and if not what would be the easiest way to reinstall the boot loader? " Is NT's boot loader up to the task, or would something similar to System Commander be the answer? Even with NT?