Same as original poster, I know of no-one else with any sort of investment in PM's (unless they are keeping it hush hush very successfully.)
That's one of the reasons why I would be hesitant to class it as a bubble, during the housing boom, there were programs every night on television showing how easy it was to profit in houses, universities were even offering degrees on the subject.
The ordinary man is still selling Gold, and has no interest in silver palladium or platinum.