Waiting to see a reply from the owners on this. I think it is a little fast to drop a negative until they respond, though. Sometimes people get a little busy and refunds can be delayed.
I negged them even before tautvilis PMed - clearly secondstrade is aware of the issue, it's been several days, their own terms state "after 6 confirmations", they have refunded some users recently but not the OP and a few others.
I can always revise or remove the feedback but their actions are highly suspect at this time so the site should be avoided until they refund or provide a valid reason not to.