what are some of the hints you guys have come across?

my big one is

Large area behind the mojave outpost

Large area behind the canyon wreckage, with the signs "The Divide", "Courier 6", "you can go home" etc.

The Burning Man, some graffiti about him

I thought that would be a hint to a MQ continuing DLC but they said they wouldnt make one because it would be to hard to make all the different outcomes.Also I heard that on that quest for veronica when you look for the range finder you find a dead guy with a destroyed explosive collar and she says something like oh no father elijha what did you do,which would be about the DLC about to come out.

Unless it was patched in then that does not happen...

While I don't think they will go back on there no continuing MW DLC if they did that would be the only pivitol event that could change all endings... I don't trust that thing... it has bad news all over it.

As for the Burning man. I will be a very sad panda if they don't do something with it...

I also hope they do a DLC including Trogs. from Van Buren. They sounded like a cool new addition, and I would like to enteract with them. I know they can't add them like they had them, but maybe let us sail down the river, and find a deep cave system with them in it or something.

The Burned Man, but that's not so much a hint as a whack across the head with a shovel.