Here is a skimmer up for auction through the Coral for Charity Program. Follow the link for more information and to place a bid. Bidding closes Friday.
http://www.delvalreefclub.org/index.php?option=com_smf&Itemid=28&/topic,7665.new.html#new
Last day to bid. Top bid on the skimmer is $20 as of right now.