try cex. io or btc-e?
I just inform you that tomorrow you have opportunity to win free 5 BTC
by testing this new broker..
the trade system based of web trading, you can earn more free btc if you can show em the bug script, exploit or script problem, Go to 1btcxe.com . take a part and buy me some coffee when you win
or Hit me coins.
thanks for the heads up on the challenge. i had no idea but i just registered hope im not too late. If you hear anymore about these things please PM me in the future. good luck!!