I've found that I often prefer a smaller, less heavy bridge to bridges like a Badass. A Badass adds a substantial amount of weight. it increases the high end but seems to rob some of the warmth and low end. It changes the attack and envelope of a note - it makes a longer, evener note, but takes away some of the initial punchy "blossom". The "feel" of the note as you pluck is different, more "hard" feeling. Also, the much touted increase in sustain is not always the case either. I recently bought a MIJ 70's Jazz reissue that had a Badass on it. I put a regular bridge back on it and the sustain was better, the sound was warmer, and the feel more pleasant. I've played basses with high-mass bridges that I liked, but I don't think you should assume that it's always an improvement.