The Firefox Devtools team regularly probes the webdev community on the features they need - make sure you let them know (and don't be surprised if they're in Aurora already).
Ta yeah, I probably should but its usually just I don't find the approach the UI takes intuitive in a lot of cases. Even just things like doing a search, viewing results, compared to Chrome I find it all a little painful...not sure that's the sort of thing I can meaningfully report though.