I recently purchased a re-release Pro Staff 85 and strung it at 58 lbs, my usual tension. I have to say that the racquet played somewhat like a trampoline. Now I've read on these forums that the original advertised tension was much higher than the currently advertised (50-60), something like 55-70 lbs. Can someone set the record straight on this? Because I am seriously considering re-stringing at 65 lbs.