[quote=ZeeKiwi]
That's great! You should let it slip everyone is waiting on Fallout 4 *Cough cough* <.<
[/quote]

They know. Not long ago they were sighted scouting out Boston and the voice actor for Three Dog dropped a hint on his Twitter sometime last year. And there have been other confirmations dropped. April Fools aside, it's basically confirmed.

One might circumvent the typical, expected fangasms and mention Wasteland.