There is a big discussion on trip advisor in the Miami forum
They seem to be operating under other names as well.
If you made your payment to the TA & NOT to the cruise line for a promised discount or OBC you may be out of luck.
Alexandr Pushkin, Carnival-Holiday, HAL-(old)Westerdam, Orient lines-Marco Polo, Royal Olympic-Olympic, NCL-Dream, Dawn-Princess, ACCL-Grande Caribe, Oceania-Insignia (3), Regatta(4) Marina (1) St Lawrence Cruise Lines-Canadian Empress
Scenic River cruise June 11,2012