Suggestions for ADSL/VDSL and UFB routers

Hi All

I do a lot of work with IP cameras, and am rapidly discovering that quite a few of the combination modem/router/AP units that ISP's give away or sell to customers are basically e-waste straight out of the box.

I've had numerous cases of people having problems with their camera systems, which prove impossible to troubleshoot, until I look up their model of modem/router and discover they have documented issues, usually with some aspect of routing.

What I'm after is suggestions for combo modem/routers that will just work, that I can recommend to people with dud units. They don't need all the bells and whistles, just be a good price, and work well.

I'm guessing that there probably isn't an ADSL/VDSL/UFB model that fits the bill?

If not, what is a good suggestion for ADSL/VDSL and for UFB?

Cheers

Andyvanman