Where I can purchase the 1990's game Party Mania by Parker Brothers?

It's currently only being sold on eBay. Here's one auction that I found: http://cgi.ebay.com/VERY-RARE-Party-Mania-VHS%2FDVD-Board-Game-100%25-Complete_W0QQitemZ370123729684QQcmdZViewItemQQimsxZ20081203?IMSfp=TL081203113010r867