Bitcoins are Anonymous.
But buying anonymous Bitcoins is difficult.
Now you can buy Anonymous by Letter.
btc4euro.de (Germany)
btc4euro.nl (Netherlands)
btc4euro.eu (all other euro countries)
For the buyer, it is completely anonymous because he only sends a number code and the money.
This was the number of the buyer saved bitcoinadresse.
The Seller has only the Bitcoin-Id of his customers, no name, no mail, absolutly anonymously.