Google Zeitgeist:
http://www.google..com/press/zeitgeist.html
Yahoo Buzz:
Lycos 50
Ebay Hot Items PDF
http://pages.ebay.com/sellercentral/hotitems.pdf
Shopping.com
Google Hobbies
http://www.google.com/search?hl=en&q=hobbies
Yahoo Directory: Hobbies
http://dir.yahoo.com/recreation/hobbies
Magazines.com
http://www.magazines.com/ncom/mag/main/browse?id=3404676013907
Amazon.com Magazines and Newspapers
http://www.amazon.com/exec/obidos/tg/browse/-/599858/ref%3Dgw%5Fbr%5Fzi/103-8120315-0719048