You can contact a <a href="http://www.dvc-resales.com/">resale broker</a> or try to sell them yourself by using an ad service like <a href="http://www.tug2.net">TUG</a>.
Here is a link to a <a href="http://64.225.125.24/forums/showthread.php?s=&threadid=55192&highlight=Selling">previous thread</a> on this subject.
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