Article and Related:
Gold Tsunami – By Eric Sprott (Guru Focus) http://www.gurufocus.com/news.php?id=122348
Eric Sprott On The Gold/Silver Ratio Reverting To The Historical Mean And Junk Silver (World of WallStreet) http://www.worldofwallstreet.us/2011/02/eric-sprott-on-the-goldsilver-ratio-reverting-to-the-historical-mean-and-junk-silver.html
Disclaimer: I hold shares in both PHYS and PSLV.