Since silkroad like services play a large part in the bitcoin exchange rate, and as a miner it is in my interest to keep the exchange rate high, here is an alternative to silkroad:
http://5onwnspjvuk7cwvk.onionWhen silkroad was running openly it was better than this, but this one of the only sites avaiable for regestration, and i think it will do atleast until silkroad is reopened