Thanx to everyone for the great pointers to electronics supply houses. I now have a few choices for getting switches. (I even finally learned how to do the search on Digikey -- they have them, too.)
For anyone that's interested, here's the whole list in one place:
I'm going to take a crack at building a control panel using an inkjet track schematic behind a sheet of clear plexiglass. If it turns out OK, I'll post a pic. If not, we'll pretend it never happened :-)
We'll see how hard it is to drill plexiglass. Someone mentioned the hint of using a block of wood on top. Someone else mentioned drilling through masking tape. All of these are to help keep the plexi from shattering. Anyone else have a thought please do post it.