In case anyone has not yet seen it, I would recommend viewing the Gold Rush 21 video that was produced back in August of 2005. A three part summary is linked below and provides strong evidence of manipulation into the gold market.
http://youtube.com/watch?v=H-r8lzKpso8
http://youtube.com/watch?v=7R0FUgq2-YE
http://youtube.com/watch?v=u6bVNfun74g