One of the coolest things about Alien: Isolation was how thoroughly it put players into the quaking space-boots of its protagonist Amanda Ripley. There was a button for re-focusing her eyes!
Today at GDC, Creative Assembly's Alistair Hope demonstrated an earlier version of the game that was a more traditional third-person survival horror game. Destructoid caught a pretty good video of it:
It looks fine, but I'd say they definitely made the right call switching to first-person. That said, considering that they'd made a whole character model for Amanda, it's a bit weird that she still didn't cast a shadow in the final game…