I dunno, I like my shoes with Boa (only about 5K on them, so time will tell.) Specifically, I've always had a problem getting shoes to go narrow enough in the heel while keeping enough room in the toebox (with normal shoes as well as bike shoes - my heels have permanent scars.) Whatever Fizik did with two boa closures eliminated that problem.
FWIW, I have a backup pair of shoes with velcro straps. If something breaks, I can still ride while ordering and installing the replacement.