Being a classic cheapo, I almost never buy frames that aren't on sale. So, I have only recently purchased the Wilson ProStaff Tour 90. What a stick! Very nice control. I had it strung at 55 lbs which I though would be low, but I feel I could go down to about 50 and still have the control I need. Has anybody ever used low tensions on high control frames? What has been your experience? How might this compare (control-wise) with high tension on low control (high power) frames. I once read that McEnroe experimented with tensions as low as 40! Seems more like a net than a racquet, huh.