powerful magnet? someone insists it can ! can it? i have had a person insist that hard drives can be erased using magnets , say large speaker driver magnets? i am wondering cus i have a drive i want erased! i have tried a number of programs but with no results! tried overwriting programs and such! this drive was once used in this machine but replaced mobo and such and can not longer acces the files i want removed! thanks for any help on this subject! have a good one!