Honestly, it's hard to say whether or not I like the origin system, as we've not got a chance to play origin characters. At this point, aren't they all just companions like in any other game?
What's it going to amount to in the full release? I haven't played through DOS 2, so idk. Is it more than just extra dialogue options from time to time? If not, I can't see it taking up too many extra resources.