Yes I've bought this kit - comes with everything you need. Along as you take your time and can solder you should be fine.
I don't think a semi will give the same results
Switches are ok. But for the clocks you want Metal Monkey dials with EL foil backing for that "Audi" look.Or this:http://www.youtube.com/watch?v=fUWOtdnMW_k&feature=related