Okay, so having followed the link to the Austin Goodwilll seller, I bought an Intel C2D 8400 because I have a use for one. After paying I emailed them asking whether they get much in the way of compact Macs any more (provided list of models) and told them that if they do, I can find homes for them, there's no need to recycle them.
Their response was:
Their response was:
My message to them was: