I've been demoing the Head Youtek Radical MP but I'm concerned with a comment the tennis store made that less than 10% of 18x20 strung racquets are purchased by women. I play with a Wilson Head Hammer now and am looking for something more arm friendly. I'm in my 50's and like to hit hard serves and would like to develop more spin on my shots. I currently hit with a lot of top spin. I'm finding my shots feeling more solid with this racquet but my serves are not as hard and I have a hard time with backhand volleys. Any suggestions on: * 18x20 strings for women or players like me? * Other racquets that may be a better fit for me? I also liked the Prince EX03 white but it didn't seem to have the same power as the Radical. I can generate my own power and am a 3.5-4.0 player.