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Get an Onkyo 7.1-Channel Network A/V Receiver/Speaker Package (model HT-S9400THX) for $599.99 plus free shipping at Newegg when you use coupon code EMCXSXV83 at checkout. This is the lowest price we found by around $58. It has a total system power 1,035 watts and is THX Certified I/S Plus. It also has 3D support and can connect to the Internet via Ethernet to stream content. There is no sales tax (except in CA, NJ, TN).