If you look long enough you can see the end of all things.

Bitcoins, I as an outsider have to say that many people will be tempted to buy because of the low price. This low price is being advertised by lots of people as a reason to buy, probably trying to mask the news of China not allowing the business. What big economy has accepted bitcoin as a currency? Edit: What reason is there to be optimistic about the bitcoins.

Comparison to previous bubbles (with standard disclaimer about past performance not being an indicator of future results): http://m.imgur.com/i5w3yPj

$200 is certainly possible, if not likely.