Doesn't make much sense I guess. You use 1.1 CC because when you turn, you don't lose a "strafe button". On 1.2 that'll never happen because you're always with 2 buttons. And I don't think that looking up/down will happen also. In fact, you can start right away with looking down, which will make it even, if there's any up/down looking afterwards. If not, it'll be better than 1.1 CC.
That's the way I see it =P