I've owned at Atmos for the last year, I love the fit, ventilation, and weight.
When it came time to shop for a lid for the lady, the Atmos was my first suggestion. After trying on a bunch of models and brands, she loved the fit of the Atmos the best. The retention system can accommodate a pony tail fairly easily; an important feature as she has long hair. The retention adjustment also makes for a very secure fit.
We got her the matte titanium colorway, we both love the look and I'm a little jealous that hers looks better than my standard black one.