Have the same dilemma, guna just remove the old HDD's, make sure they are utterly battered and then chuck the lot!
He hasn't been here long enough and doesn't have enough posts ...The rest just sell on Members Market.
Generally I just chuck it in the bin, however in the next six months you will require something youve binned and spend a good hour looking for it because you know youve got one somewhere. :S .
Bullit