Why not use bitcoin-central?
do you trade there? i mean do you know the details of trading there?
to open orders it requires you to have funded account there.
this means that the exchange operator's private bank account experiences cash flow thant might ring some bells.
the service is close to perfect. but more like live demo of the technology
than a marketplace of choice.
maybe if we would form a coop to obfuscate a bit the transfers in/out not to call the wrath of authorities upon davout ...
he already asked for help to handle bank wirements. without crediting an account by either transfer or cash in mail
you are not allowed to trade there.
same for bitcoins. you must send them in (to your BC account) to create a sell order.