Thanks Gene that helps. The big issue is that it is very costly, the second issue is that it can't be rack mounted and the Anthem can.
Anyway thanks for your input.
First of all, based on my experience with ARC G, I find it not as good as what most AVSF owners, or Gene/Theo said out of the box, or even after hours of tweaking. It is however, comparable to Audyssey (used with the $20 app), barely though. All based on my many REW plots, subjectively, I don't have a preference.
Secondly, and importantly, the AVM70 is not that costly if you buy when it is on sale. Anthem seemed to have been putting in on sale for with about 15% discount off list price, a few times a year, such as Black Friday, Christmas, at major trade shows etc. So the trick is to wait for that, or get your local dealers to offer that same 15%. With the discount the price should be comparable to the Marantz.
It will measure much better than the 7705/7706 because of the much better DAC and ADC ICs used, whether the difference = audibly better sound quality is another story and I don't intend to argue with anyone on such subjective matter.
Aside from me, I know
@Cos also switched from Marantz AVP to Anthem's so we both can tell you about their pros and cons based on our user experience. Overall, I am happy with mine, but if I am ready to try a different gear, I would wait for the Marantz AV20, that hopefully would not cost more than the AVM70, and offer comparable specs and much better/more convenient features and user interface, plus the superior Dirac Live (I know you don't believe in the use of RC/EQ, but...).
