Wouldn't you just restore from your last backup?
Hard disks and machines have a nasty habit of just vanishing so backup (and restore) is how I handle this.
best of luck,
My 60gig hard is dying in my iMac SE. I bought a new hard drive. Is there a way to transfer the data from the old hard drive to the new one? Is it possible to hook up two hard drives in an iMac?