Vann's offers the Denon 735-watt 7.2-Channel 3D Network Home Theater Receiver
, model no. AVR-2312CI, for $498.88
with free shipping
. (If the discounted price isn't automatically shown, use coupon code "memorial".) That's the lowest total price we could find by $100. It features 105 watts per channel into seven channels, AirPlay streaming support, Dolby TrueHD, DTS-HD Master Audio, Dolby Pro Logic, 3D pass-through connectivity, seven HDMI 1.4a inputs, one HDMI output, Ethernet connectivity, and more. Deal ends May 25.