For me the price is just people bidding it up, like the Tulip mania. So your question doesn't make any sense. What would change my opinion is if usage of bitco

For me the price is just people bidding it up, like the Tulip mania. So your question doesn't make any sense. What would change my opinion is if usage of bitcoin as a currency or for some other application goes very high. i.e the utility rather than just speculation by people wanting to make quick buck.