I just picked up a MP 001 Mizuno. Had the Adilia in it and it is way to whipy. My swing speed is pretty fast and pretty hard around 115 or so. Anyone have a shaft (stiff) that they have had good luck with that is not to expensive. I have always run the Pro Series Yellow and Blue 75. Just wondering what yall thought. What about the Speeders?? Heard they are pretty impresive. Feedback anyone??