By waiting for the official 1080p or 4K release on a licensed platform, you ensure a safe viewing experience with perfect subtitles and high-fidelity audio, all while supporting the creators who bring these stories to life.
This is a quality indicator. A PreDVD rip is usually sourced from a promotional disc or a digital screener before the official retail DVD or Blu-ray is released. While better than a "CAM" (camera recording), it typically lacks the sharpness of a final retail version.