Actually the idea is still nascent even though I wrote it down 10 years ago! But here's another: http://juwo-works.blogspot.com/2007/03/co-founder-match-making.html

interesting! I never thought of coding it up a la a dating site. I wonder what sort of algorithm would work best for that. I don't want it become like eHarmony!

I could add such a questionnaire as an optional part of the process.