...Every transaction you make at MtGox into a government currency is being tracked and recorded. Why do you think they have withdraw limits? They are a money changing business. The US government could seize their funds in a heartbeat. What good are your bitcoins if you can't easily trade them for cash.
Go smoke some more weed
I can buy some of that with bitcoin. Mmmm, screw euros and dollars and all that B.S.!