I watched a Google Talk video by Rick Mugridge on using FIT and towards the end of the talk he mentioned a mythical FitLibrary2 which largely eliminated the need for writing Fixtures. I’m really not sure how this would work since he did a lot of hand waving around the issue, but apparently if you’re developing a really clean domain you shouldn’t need to use Fixtures at all unless you have to test the GUI layer or something similar. Sounds great, but I don’t think I’ll quite get it until I see some concrete examples.