From 1975 to 2012, an average 57.4 oz. of silver has bought 1 oz. of gold. Today it takes 64.3 oz. Silver is currently undervalued in my view. Platinum is also looking attractive, but it's still in my "hold" range.
Platinum
Hoard when 0.7 - 0.8 oz. gold buys 1 oz. platinum
Accumulate when 0.8...