Update - problem persists.
I cleared local data and reinstalled. Booted fine into 1.04, but crashed again starting up into 1.05b.
Very, very different player.log this time, though; Matt: I will message you that link in a moment.
I really really (really, really really) hope we get this fixed soon, I am addicted to this amazingly superb game and am trying to start a new playthrough, and am fiercely looking forward to, especially, companion rebuilds, so I've got to wait for 1.05 to function. Oh plz plz plz fix!
Thanks!