Seem cheap.
the cable connection http://www.thecableconnection.com.au/NR1604---Marantz-71-Hom… is selling it for $1049.
cheapest on Static ice is $1029 http://www.topbuy.com.au/tbcart/pc/Marantz-Black-and-Silver-….
copy/paste
The Marantz NR1604 is a versatile 7-channel home theater receiver with network capabilities in a slim-line body that delivers spacious, realistic surround sound from a wide variety of sources. This receiver features support for next-generation TV displays capable of displaying 4K Ultra HD video. Along with 4K Ultra HD and 3D pass-through the NR1604 also features video upscaling technology to 4K Ultra HD.
I would do some google first on these guys.
They drop ship and are based OS.