I have since seen your post lenny, sorry for not just continuing. Was hoping we could generate some interest in to this. Have you found any way of doing this?
It's not the point of continuing my post, it's the point of not clogging up forums with repeated posts.
I've never looked into doing this, I just thought if it was as simple as the CHDK fork then it might be easy to implement.
The way people do it at the moment is by making a remote plug into two cameras and switching the video record button to the picture trigger.
Not a very accurate way of doing it.
Despite CHDK being open source, the guy who does the stereo fork rarely releases the source (illegal, but who's going to do anything), there are old source versions available
http://stereo.jpn.org/eng/sdm/index.htm