At Portland Perl Mongers, we've had chromatic give talks about tests and Schwern rant about tests. Since many people still aren't testing, I had an interesting idea, but now I have to put my money where my mouth is.
In October, I'll bring my laptop and have no presentation whatsover. Instead, I'll take an idea for a module from the assembled mongers (I'll have a backup idea or two if the ideas are not practical) and I'll sit down and create the module, in front of them, using test-driven development. Further, it's going to be mathematically challenged pair programming as I'll invite everyone to kibitz, er, pair, and we'll build a module together with me explaining things as we go. What an