iMeowbot said:If it's a big enough magnet, that HD ain't coming back.
How about this one ?
http://cgi.ebay.com/POWERFUL-1-Cube...QitemZ5612616608QQcategoryZ1469QQcmdZViewItem
"The Finger Breaker"
I use my NdFeB magnet to wipe VHS cassettes completely clean and I use them again. On "Mythbusters" they used one to erase the data on a credit card.