I generally like to hear how people work, but it gets a bit boring if it's all web developers & TED circuit guys, where it all comes down to "list of apple devices + GTD apps". I would love to see the setup of some people. A few screenshots would be nice, but a short screencast would be even better. Even if it's all pretty standard (e.g. Eclipse + Chrome, Sublime + Safari, Blender + XCode), I think one could learn a few things here and then how other people hop around between applications and accomplish tasks.
At least I think it would be interesting, it might also just lead to me freaking about because someone is doing it wrong (As Sartre said, hell is seeing other people google).