I had a bit of time to solder up the first power supply board this afternoon.  Everything fit well, except for the large screw terminal, the holes for which I had to bore out slightly.  I think it came out pretty well.

I don't want the smaller screw terminal to be top-entry (with the screws being hard to reach on the side), so I've updated the Mouser project to include a side-entry terminal (with the screws more accessible on the top).  All of the parts for the power supply components are available on Mouser, in a project saved here.