Cheapest here seems to be $579. Correct me if I am wrong.
Features
http://au.yamaha.com/en/products/audio-visual/av-receivers-a…
• 5-channel 575W = 115W x 5 (6 ohms, 1 kHz, 0.9 % THD, 1 ch driven)
• 400W = 80W x 5 (6 ohms, 20 Hz-20 kHz, 0.09 % THD, 2 ch driven)
• 675W = 135W x 5 (6 ohms, 1 kHz, 10 % THD, 1 ch driven, JEITA)
• Discrete amp configuration
• Network functions such as AirPlay and AV Controller app
• 4K pass-through for next generation super high resolution images
• HDMI (4 in/1 out) with 3D and Audio Return Channel
• Front panel USB Digital Connection for iPod, iPhone and iPad
• HD Audio decoding with CINEMA DSP 3D (17 DSP programmes)
• Multi language colour OSD (English, German, French, Spanish, Russian and Chinese)
• ECO mode operation for about 20% less power consumption
Awesome price, same goes with the 573/673/773.
Can't believe my RX-V667 is so out of date already, lol.