I haven’t had Andy duds all mine have been good haven’t had any issues apart from that set that is diffrentI have been amazed by the Shark Platinums but I've been having a bad luck rush lately. When I buy a few tucks, they are great. When I buy 100 of the same, I get plenty of duds. Happened with the Super Chromes. I am afraid of buying a 100 pack of the Platinums and have the same fate.
Shoot, I really enjoy the Lab Blues. The 100 pack I got, most are dull on one side!!! They did not used wax dots so the blade is "dancing" inside the wrapper.