***UPDATE***
I appreciate all the input given thus far and have made a selection.
So... I decided on the ASUS RT-AC86U which I picked up on eBay for $125 shipped. I reset it to factory default and downloaded the latest firmware Version 3.0.0.4.384.45713. It is in the same location as the old...
What I mean to ask... is Netgear known to have tons of unfixed security vulnerabilities? Where would I find that information? More to the point... security is number one priority for me with performance behind that. I'm not interested in the best performing wi-fi router only to be plagued...
Should I be concerned about any Netgear equipment considering the statement, "Netgear has tons of unfixed security vulnerabilities"? Would this be the case with current software updates for the NETGEAR R7800 recommended in earlier post?
In reference to the toaster or coffee-maker... dependability/reliability is my desire and not necessarily simplicity of configuration. I realize these are complex pieces of equipment and may require a more "advanced" administration; that of which I am prepared to do.
We get 100 Mbps download...
We have an old Linksys dual-band router from the Cisco era that is no longer adequate for our needs.
The following Apple products with wireless specifications as described from Apple website are currently being used:
Apple TV (802.11ac Wi‑Fi with MIMO; simultaneous dual band (2.4GHz and 5GHz))...