I agree. On most bikes I use a good x-ring chain and starting with new sprockets, use the chain until it needs the second adjustment after break-in and replace before damaging the sprockets. Then I change the chain only and with the second chain run it longer but replace the sprockets with the second chain. I am using the first x ring chain on my combat now(first x-ring chain on a Norton) and will likely follow the same practice.
Sometime this year I will recommission a Mk2 850 I bought with 9500 original miles and reasonably good paint. On that I will try to use the narrow x ring chain from rk, designated rk 530UWR. I believe this is usable on most british bikes with the original 3/8 sprocket widths. IF it doen't work on a norton I am sure I have a british bike with slightly more clearance to use it on.
I like x-ring chains because they require less lube and less maintanence. I suspect they cost about this same over time but are more convenient for me.
Cheers to all.