Hi Peter, thanks for thinking of me, not scared by the thought of DCC, before retiring I used to write and modify PLC programs as part of my job as an engineer, also used to re-program Robots too in the automotive industry on their automated equipment. If I want sound I will run a soundtrack of some real live locos(at present I don't), if I really wanted several miles of wiring, I can do that too, I used to wire up control panels as part of my apprenticeship for marine radar equipment. What my railway model will do is run like the Great Central, which was mostly run mechanically, apart from some lighting and a few traffic light signals at Leicester station, it will take me back to my yoof when train spotting lineside.