Nice write up Slim.
Would read again. A+++
For the op - I think you should definitely go used. Having the expert along to confirm the bikes soundness is solid advice. You will probably like a drop bar city bike. A number of CX bikes will fit this bill.
Look for the braze-on mounts for racks and/or fenders. This opens up the bike to the Fredly potential lurking both in it and in you ......
Hope you find your machine soon.