You think so? Try running Halo 3 on a PC monitor. Remember that 1080p is considered "hi-res" for the TV, which is why PC monitors are notorious for exposing a lot of ugliness that a TV mercifully hides.
Oh, and I was just rant... err, talking about Consoles in general. In fact, I would be rather surprised if Larians next game would use 1st person perspective... but like you said, we dont know either way.