Block Occupancy Detector 2

I have found many ways to improve this and have been very busy developing it. I am at a point now in its new design where I need your opinion and feedback. Please click "SHOW MORE" below and post your replies here.
1) What gauge and brand of track is your layout?
2) What is the maximum number of turnouts/switches you would have in any given block?
3) Exactly how long is your longest block?
4) Which railroad's signals or style do you model or plan to model?
5) How many blocks do you have?
6) What features would you like?
7) What voltage do you power your signals?
8) What is the fastest scale speed you can or will run?