We had an Infinite Grand Suite, so we had one of the infinite balconies. In that room, there are four "windows" that run floor to ceiling with the mid-point between the upper and lower at cruise banister height level (ie, about mid chest) and the right/left split was almost even. Only the left upper window would open/close.  Thus, you get nice views out (regardless of outside weather conditions), and yes, you get a bit of a bigger room (it does allow for more space feeling). But, you have l