I was about to go for RX-V575, but a friend of mine put me in doubt when presented the Onkyo TX-NR626. They are listed at the same price and have pretty much the same features. Main differences I could check: 1 - The only thing I could find positive about Onkyo is the built-in wireless/bluetooth (Yamaha is separate add-on). 2 - Yamaha is a bit more powered - 110w x 95w Onkyo's - but not sure if it makes that difference... 3 - I see that Yamaha has the YPAO to auto-calibrate speakers. I could find nothing about Onkyo. This is a very important feature as I am noob to HT... 4 - I could read on Yamaha's manual that you can switch speakers to 6-ohms minimum. On Onkyo nothing is said... This is important for me as well as my fronts and surrounds are 6-ohms rated. Anyone has more clarity if TX-NR626 has similar features for 3 and 4? Furthermore, any other comment on Onkyo x Yamaha are welcome! Thanks!