I wouldn't claim firebug was "far superior", unless "far superior" is a synonym of bloated. Since their inception the dev tools were minimalistic (just the DOM

I wouldn't claim firebug was "far superior", unless "far superior" is a synonym of bloated. Since their inception the dev tools were minimalistic (just the DOM Inspector and a JS Console), currently the Dev Tools of Chrome could get some trimming, ex. some tabs such as Sources and Resources could get merged.