
Probably nothing new to most pmbug members, but for those new to the scene, it's a good overview:
http://www.slideshare.net/some_math_guy/why-i-investedingoldandsilver-investing-overview-aug-8-2011
http://www.slideshare.net/some_math_guy/why-i-investedingoldandsilver-investing-overview-aug-8-2011