Originally Posted by TW Staff
The RDX 500 is my favorite racquet of all time, and I would pick that over the RDiS 100. Even though the head size is 90 sq. inches compared to the 93 of the RDiS, I feel for some reason that it is a little more forgiving. I also just prefer the feel of the RDX technology better than the RDiS (don't know exactly what the different is, I just know that I prefer it). They are very similar racquets though, and I think if you like one of them you will definitely like the other.
Interesting...do you still use the RDiS, even thought you prefer the RDX?