I just finished a full Ms. Pac restore, so if you have any questions during the process let me know. I also have some spare parts left over, so just PM me what you need and I'm sure we can work something out if I have it. Always good to see a game come back to its original shape.

I agree with what was previously stated in getting either an original board or going the 60-in-1 route. Bootleg boards are notorious for having just enough missing or changed that it just doesn't "feel" like the real thing. Plus there's less resources out there in fixing them when they go bad. The 60-in-1s are a good alternative, just comes down to if you want this as a dedicated game, or more games to get more use from it. You'll have to add a couple more buttons to be able to play all the games in the 60-in-1, also.
I'd make the board decision first, since that will dictate what power supply, wiring harness, and controls you'll need. You can get full 60-in-1 "kits", including the buttons, joystick, power supply, and wiring harness all for about $100 if you decide to go that route. Just food for thought.