If the partitions are using the FAT file system, you can boot off of a dos or win9x floppy and get to the data. If they are ntfs, you can pull the drive and mmake it the secondary drive of another NT (or Linux) machine.
I wonder what whould happen if you reinstalled NT?
>Ed, do you know how to bypass the login screen on an NT workstation if the user (and everyone else for that matter) can't locate the password? Thanks.