> This may be the wrong question to ask here, since it seems you guys deal more with emulation.
No - we're collectors, so you have 1/2 asked the right place. We're mainly collectors of boards and systems though, so most of the arcade collectors here have their own cabinets.
There are a few places around with the details of how to start your project. Perhaps Saint's Arcade Controls site is worth a starting look.
Or try the following message board,