If things are that complex, sounds like you need to be doing some discovery work (spikes) first to break the problem down. Then you can use TDD again :-D. So, I

If things are that complex, sounds like you need to be doing some discovery work (spikes) first to break the problem down. Then you can use TDD again :-D. So, I guess you're right - if you don't know wtf you're supposed to be doing, TDD is a killer. But then, so is anything else.