I agree with the new drive, it just seems that if someone is putting up with an old imac thats making strange noises and has been for a while that the last thing they are going to do is go out an buy a new drive. But you are right MacDaddy that would be the "smart" thing to do.
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"Fix it 'til it Breaks."

Jacob - EiC & Director of Technology
Mac Pro Quad 2.66 - 4GB RAM
160 GB SATA RAID 1 - 650 GB Storage
Quad 19" Widescreen LCDs
Accessorized to the Hilt