You can have the height channels, I'd be happy with more 7.1 content

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Speakers: Aperion 6T, 6C, 5DB, 6IC, Bravus 10Dx2
Monitor: JVC RS20U front projector with Stewart Velux 100" screen
Receiver: Yamaha RX-V1800
Blu-ray: Yamaha BD-S2900
Amplifier: Emotiva UPA-7
Conditioner: Panamax M5300PM