“That’s a super-good idea” used to be an expression I used and sometimes still do but the world has moved on and now it’s not even cool to say cool or super-cool; mega-cool might cut it.
On the north bank of the river, south of the A4, aka The Great West Road, lies Furnivall Gardens. You may think of it as being between The Rutland Arms and The Dove.
I am not sure I know what county lines means. Probably after a fashionable dinner in north London, when the nose candy appears, people ask for just a Rutland unless they are really up for it and might like a Yorkshire.