Pay a little more?
They are all (or should be) Snell or BS, depending on where it was made. This means they all have to meet a minimum standard of safety.
As you start paying more money, all you're getting is a name and fancy materials... and unless you can afford carbon, they ain't any lighter.
Get a car helmet, not a bike one, and get one with BS/Snell. Most importantly, get one that feels right - names are just vanity.