Dell's latest problem.
Apparently they're trying to keep this issue quiet, but since they haven't said anything to me I guess I can discuss it with you.
The article as posted on Slashdot HERE by dapsychous
It appears that certain 17" Dell laptops are supplying AC voltage to the chassis screws. Between 19 and 139 volts. This anomaly has resulted in everything from damaged components in the unit to an actual electric shock the the user.
This problem was also covered on notebookforums.com