They have been caterwauling about this situation for years now over at GATA. What was initially dismissed as conspiracy theory fear mongering is now becoming news.
Go long, but whatever you do HAVE SOME IN YOUR HANDS. They *WILL* change the rules of the game and if all you have is paper gold and silver, you will wind up with nothing.
Physical Gold Hoarding, Global Demand to Produce Undeliverable Futures - Seeking Alpha