I've been demoing a long body Pure Drive + and Aero Pro + and can't believe the difference in power. It's amazing at least 10-15 mph. It seems to me it's a lot easier to generate MORE pace,spin and wrist snap with a longer racket. Since the idea is to hold serve wouldn't it make sense to use one even if your groundies and volleys suffered a little? It seems to work for Roddick and Nadal. Any feedback would be appreciated.