I don't understand the web developer tools of Firefox. I've forced myself to use it for 2 days, I don't find my way around. Even IE is better now. For the rest

I don't understand the web developer tools of Firefox. I've forced myself to use it for 2 days, I don't find my way around. Even IE is better now. For the rest FF is pretty equal to Chrome, so if they improve the developer tools they can count me back.