Currency doesn't happen overnight, it's a process to get there. Just like anything revolutionary, it takes time before anyone knows what it will be come. By the time (with a very big IF) bitcoin becomes a viable currency, it's price won't be $200 anymore. It'll be at least a few thousand per coin and people will be transacting in micro bitcoins.
What bitcoin is going through right now, is puberty. If you invest early, you reap profits. If you invest after it is stable, there is very little profit to be made.
Love and give every new idea a chance until you've used it and have a personal reason to hate it.
Negative speculation is for chumps