I thought about the Everglades too but that was the only setting I could think of that they could add. NYC has the 5 boroughs and Jersey. Miami has well, Miami. I'm sure they'll do it justice but it seems like it would be limited compared to Liberty/NYC and San Andreas/LA. Maybe a Rockstar style take on Disney World?
DUAL WIELDABLE ALLIGATORS.
That launch rocket powered, smaller alligators, from their mouths.
That is all.
Coming to think of it, I really should get into modding. I mean, I jest, but actually you can do anything in games, yet you so rarely actually get to do stupid, ridiculous but fun stuff like that.
It's something I loved about the grappling hook in Just Cause 2. Utterly preposterous of course, but who gives a shit? It was FUN.