For my second Mean Green Sovtek Muff re-housing attempt, I started off by ordering all the necessary parts . This time, I used both Small Bear Electronics and Mouser Electronics. Mouser has a wider variety of parts, but it's much more difficult to shop there if you don't know what you need. Steve at Small Bear is a great one-stop shop, and he's got better prices than Mouser on a lot of things (including enclosures and pots).
I was starting with this:
Not a pretty picture. No knobs, no battery cover, no power adapter capabilities, and duct tape holding the whole mess together. I tried removing the duct tape, but it had apparently been on there so long that it was permanently molded to the casing. Ugh.
So I made a list of things I would need to add: