I recommend it. I used to have a 5.1 setup, but it was a combo of different amps. I wanted to simplify, so I replaced it with an AV amp (Denon 9-channel). Since I had the channels available, I thought why not add a couple of height speakers? I'm glad I did. Hearing Atmos mixes with that extra height does make for an even more immersive experience. Sometimes it's subtle, giving more of a 3D 'atmosphere', which is nice. But for some Atmos releases, discrete elements are positioned above you (e.g. Kraftwerk - 3D, Yello - Point), which is quite amazing.