By Alex Lauer It would have been easy to disparage Aston Martin if they didn’t deliver on their promise of producing the “world’s most powerful luxury SUV.” But on Tuesday, the British automaker, best known for suave sports cars worthy of James Bond, made good with the unveiling of the new DBX707, a high-performance edition of their well-reviewed family hauler. And yes, it’s got numbers that top the horsepower, torque and 0-60 charts. The DBX707 name comes from its PS rating, not its horsepower. As a quick reminder, PS stands for Pferdestärke (German for “horsepower,” and a metric horsepower r…