Onecall.com boasts a slick deal for the Onkyo HT-RC180 7.2-channel A/V Receiver.  It does full surround sound (and then some), is THX certified, 5x 1.3 HDMI inputs, New Dolby PLIIz Processing, 3D surround, 110 watts per channel, HD radio and more.

They’ve got it for $549.77 + free delivery = $549.77!