I have the AN with script ones. They have the three rows of indents inside. They are not latest "quiet" ones but I wish they were.
At full chat you can break the eardrum of the driver of the car you are passing if he has left his window open. If it is shut you
will crack it.
Id go for the new AN ones because if they fall apart, which I doubt, AN is you best shot at getting any assistance.
It is amazing how loud bike were back in the day.