Thanks Bill - I appreciate you looking.
I originally got the 7800n because I intended going to fibre, but once I had a new master socket and then the 7800n, things had improved so much in those two steps, I had all I needed so didn't go to fibre.
I do still have the option should the need arise though.
I do agree, the 7800n is probably the ugliest of them all - quite shocked when I first saw it

The new one does indeed look considerably better, if not nearly as snazzy as some others.
Quality of performance is more important to me than looks for something like this, so for not a huge lot more, the newer model is probably worth having.
I have screenshots of all my passwords etc, so shouldn't have a problem getting it working, especially with a wizard.
Thanks so much everyone for pointing me in what may likely be the right direction.