SatoshiBet is BY FAR the only one I've tried.

Decided to buy my first few bitcoin since it was at tree fiddy, had to wait for bank account verification, kept refreshing my bank deposits until I fell asleep, woke up and it was at $430. Well, it was about that time that I notice that coin was about eight stories tall and was a crustacean from the protozoic era.

Joules.