I don't know if an OT is something that would improve things in the end but it would help me make up my mind to ask certain questions that I'm worried I'll get dinged for sometimes. Eg, I was considering posting a question to see if anyone has developed a tt2-mode (alla c?perl-mode) for emacs for template toolkit files. Is it a perl question? Not really. It's an emacs question but only a perl hacker might have solved it. An OT would give a safe haven to avoid long threads about "post this" vs "don't post this."

Of course I wouldn't have posted this particular question b/c the lovely and talented davorg has made his "tt-mode.el" available and it's easily found from Google: http://dave.org.uk/emacs/.