There's the optimistic view
http://www.newscientist.com/article/...l#.UvcT61OScjV
Then there is the technical issues
http://www.newscientist.com/article/...l#.UvcT_VOScjW
But the $250 drop this week. As I said before, MTGOX has to keep market stability. They can, if buyers outpace sellers. However, if sellers overwhelm buyers, MTGOX has to draw against their dollar balances. Since Bitcoin has skyrocketed, MTGOX has too little cash to cover Bitcoins purchased at $.10 to $600 and have to redeem at $700-1100.
Same thing happened to the US Treasury in the 60-70's when they couldn't redeem dollars for gold fast enough. This is Bitcoin's problem.
In a stable market, all works well. In an extremely volatile market great fortunes and and poverty can be the result.
Market imbalance is one of the major causes the cash of '29.