As far as
commodity values of metals, isn't the peak rhodium or
 iridium or something like that? 
 The current spot price of rhodium is about USD$2500 per troy ounce,
 or about twice the price of the same weight of gold. 
 
I just remembered.  It's rhenium.  $6000-*mumble* per ounce.
Peace...  Sridhar