If you aren't satisfied with the product you received then you'll need to wait for an announcement from Defcon which will explain the process of disputing transactions that are still in escrow. (Assuming you didn't finalize the transaction?) Keep an eye on the 'Silk Road Discussion' board as that's where the announcement will be, Silk Road Discussion - http://silkroad5v7dywlc.onion/index.php?board=1.0 Tang.