It all depends on the amount of wealth that needs to be stored in btc. The more wealth in a scarce commodity, the higher each unit becomes valued. If it becomes the new 'gold' in terms of storing wealth, it will shoot up accordingly. If it does one better and becomes even a moderately frequently relied-upon currency as well as a store of wealth, then it should have a justifiably higher price than today.
I doubt bitcoin is going to become a new gold. Its too volatile. Bitcoin is great to transfer value all over the world and be anonymous about it. Was hoping this price climb we observing right now is the consequence of people finally realizing that bitcoin is awesome in terms of value transfer