Thanks,
stut, Ryanardo da Vinci and
Ldnn1for your quick and informative replies.
Looks like it's Crewe, then, although Southend looks attractive - I used to live in Essex and it would be interesting to see the setup there. Almost decided - just need to discuss with The Boss.
I like the suburban surface links idea but fear that limited mobility may make a difference.
(Memories of First breakfast on board the Manchester Pullman ...)