Going to make for some interesting choices depending on what additional bonus you get for fixing your skills, do you keep the flexibility of being able to adapt to different fights or take the bonus and stick with one load out.
I’m sure that at some point they will give us extra character slots, at a cost of course not for free
It's possible that the locking of sub classes has been taken out for live.
This guy has some good class info http://www.youtube.com/user/DattoDoesDestinyhttp://www.youtube.com/user/DattoDoesDestiny