Tampa to Mexico Ferry??

There are all sorts of posts on the web referring to a Tampa Progreso Ferry or a Tampa to Cancun Ferry! This would be one of the greatest things imaginable to happen to my trip if it were true. Unfortunately everything I am finding out about it is making it seem less likely that it will be up and running early next year. So far my plans to get to Cancun are working their way to being planned out, but the plans home are still blurry. It would be so great if we could just hop a boat to Tampa and drive home through the United States. If anyone knows more about this rumor and if it really going to happen I would love more information!