I was reading a Zaccaria manual for an SS, and it described how the voltage at some test point should be some waveform. This got me thinking that perhaps it is time for me to get an oscilloscope, not just to help on pins, but to have in general. It seems that computer technology has reached the point where a regular computer could act as the computer, display, input, etc. for the scope, with some USB dongle being the device that gets the signal inputs.
I came across this, which seems to be an attractively priced device:
What do you think?