Great for my spouse...Pretty good for me.
Is the report worth it? YEAH! Especially if you've spent LOTS of money on helmets, as my wife and I have, only to give them away or throw them in the trash or bonfire out frustration.
Lid picker helped nail my wife with a good helmet straight away; a Bell Qualifier i size "L".
I was a little tougher. I've probably tried on hundreds of helmets, and thought I'd be thrown of a few brick & mortar shops for being an annoyance. My report came back with only about 3 choices
for a great fit. I ordered one, the Icon Airmada, and while the crown took awhile to break in, it did fit! The report doesn't help with cheek pad sizing though.. They're always too tight!;)