>I was hoping for an api call that would return the soft volume (or partition) serial number. I already have a class designed to handle copy protection, but would like to add the additional clarity that the harddrive's serial number would provide.
>

How about something like this:

LOCAL oFS, oDrive
oFS = CREATE( "Scripting.FileSystemObject" )
oDrive = oFS.GetDrive( "D:" )
? oDrive.SerialNumber