I have done 2 rooms with Atmos. One with Goldenear one with KEF.

The Goldenear was spec'd by a company out of town and we did the install. I have been underwhelmed and pleased with Goldenear. This room sounded good, but it could have been the Marantz Equipment with two JL Subs.

We did the KEF and Spec'd the equipment. It sounded great. Q550 fronts, Q650 Center, 160Q's for side rears and in-ceiling, two D110 JL Subs, Marantz 6012. This system outperformed the Golden ear system, and I am sure the cost was less. The dispersion for the KEF speakers was magical....really outstanding.