Yes and no, its kinda to dark between the hole's anyway, but you know it was there before. It just like having vent/gill openings instead without it. I can only see the top one as the other is on the other side of the case facing the wall.
Unfortunately the LED NZXT logo has died, but they have popped another one in the post for me, all the way from California. I have a red one they sent by mistake if any-one wants it.
). They have now sent the connectors 
I've done a watercooled build in a H440 also and found that in order to maximise airflow I had to remove the foam from the front and top pannels as well as some of the mesh. I think if you do this then you would probably see pretty decent temps on air.
