[oh8eleven]

would I still want to take a ball-peen hammer to them
Yes. Remove the drives from the PCs and then remove the drive covers. That'll expose the disks (platters).
I've had some shatter like glass, and others would just bend, like sheet metal.

[stylin_geek]

I much prefer high speed penetration tests with a projectile running anywhere from 2,600 to 3,600 fps.

[equaviator]

roger that! thanks.