@cynic2010 I got a BlueSCSI (https://scsi.blue) and boot off of that instead of a floppy or old hard drive. You could use those old Macs again, but a lot have had their clock batteries explode and leak all over inside. I’ve had to do major work to restore an old SE with major battery damage. And the capacitors can also leak and cause corrosion. Even though it’s the older model of the two, your Mac Plus is more likely to not be damaged due to its battery placement on the back panel.