I just demoed the Head Radical IG Oversize and it was absolutely fantastic. I used to play with one of the original OS Agassi Radicals back in the 1990s and I almost forgot how incredible the feel, control and spin was with the racquet. The only thing is that it's REALLY flexible, of course (which is probably why it felt so nice and I had so much control). Nonetheless, the demo had some Head non-poly string probably at 53 pounds, which is the average tension written right on the racquet, and I always play with Lux at around 70 pounds or so. If I put Lux at 70 pounds into the Radical OS, what would the difference be again? I would get more spin, more control, a less power and less feel, right? Or, would the power be about the same since the Lux strings are so much stiffer? Also, if I put some lead tape at the 3 and 9 positions on the head, would that "stiffen" it up a bit, or should I put some tape on the neck, which I hear can made racquets a little stiffer? I'm not an expert. Any help would be much appreciated.