If they use the same chassis as the previous generations (and for power, why wouldn't they) - then it is not massively more powerful than the midrange RZ50.I am waiting for the RZ70 or RZ90.
I do not want to get an amp that could be in protection mode (5W) without any warning about that.
I already have a Yamaha RX-A700 that is far less powerful than my old RX-V1200.
For $×××× I do want a powerful amplification.
There hasn't been an equivalent of the high powered Tx-NR906/876 (and their brethren) in quite a few years (6? 7?)
If you really need high power, or loads of current - an external amp is a better solution!
I had an 876, it ran my speakers OK - but external amps got a touch more out of the speakers. With the current NR7100 / DTR 3.4 it simply doesn't cope with my speakers (soundstage collapse, congested sound).
I am hoping that the 70/90 series will be able to handle my speakers well, allowing me to simplify my setup... but I am also not relying on it.