if i had anymore sick time for the year i'd be able to respond to this shortly after 12am, but unfortunately i work tonight. So i wont be able to play until 8am or shortly after... however it seems Bethesda is learning from BioWare with their dialog branches, as well as voice acting being integrated into the main game.
Maybe they'll adept the modding system from Fallout 4 though to be honest i was okay with ME3 modding system as well, if you can call it that. Though in story mode having to find the same weapon and mod over and over again through multiple playthroughs in order to level it up seems a tad repetitive if not boring.
Also im more of a realist, i dont expect Fallout 4 to become super awesome until after the creation kit comes out and people can mod the hell out of the game. With Skyrim i first got it for ps3 and it was nearly unplayable if not incredibly meh after the novelty wore off, it wouldn't be until some time after i got a gaming PC that was pretty powerful for the time, that I got the game again long after the modding community started modding the hell out of the game that I discovered how much fun the game could truly be, as well as pretty. I'm expecting the same thing from Fallout 4.