Just a thought to aid people who can only use a PO box for delivery of Items.  A will post to PO box should be an option when looking for goods on ebay as some sites don't state they don't post to a po box  and the tranfer of money has taken place before you are informed and a cancelation of order has to take place I think in the search critera a box to say will post to PO box would help this problem greatly and save time searching