The NanoPi is quite reasonable. There is a bigger one that has the I/O I need and a RK3588S, which is a pretty impressive SoC. I have an Orange Pi 5 with that SoC and the performance is beyond my expectations. I generally prefer stock Debian to OpenWRT anyway; I never know how to do what I want to do in the GUI, but I do know what iptables rules I want to write, so that's all good.
Of course not in stock, nothing good ever is, but someday...
Of course not in stock, nothing good ever is, but someday...