[Oakydoke]

I believe he slowed down or stopped most of his activities last year, following illness I think.
The web site closed down a long time ago.

I'm not sure about the availability of shunting signals (if you mean coloured light signals), but another range of signals are available from Traintronics of Bournemouth.

http://www.expressmodels.co.uk/acatalog/4m...aintronics.html