Best example off the top of my head is a very old one, adding CD sound processing to a SPARCstation II http://www.wired.com/wired/archive/4.12/ffmassalin_pr.ht

Best example off the top of my head is a very old one, adding CD sound processing to a SPARCstation II http://www.wired.com/wired/archive/4.12/ffmassalin_pr.html http://www.wired.com/wired/archive/4.12/ffmassalin_pr.html I don't have a super high succes rate with reflow soldering, but my hotplate isn't quite perfectly flat. I assume the mac boards are all double sided, so i'd be inclined work out a solder bath style solution. Maybe a friendly college student would give access to the EE department's stuff. Maybe there's a cheap benchtop solution. It can't be that bad