The Unipod trade-in offer is to end in a month. The offer has been available since the day after the launch of the Unipod (April fools 2004).The Unipod combined USB, NIC, and IDE into one podule, and buyers could trade in their existing cards for discounts. "Orders including a trade-in element will be accepted up to the close of business on Friday April 1st 2005".
Link: Trade in details