I have been gaming the GT2 driver for around 5 months now. Although I really like the driver head I have struggled to find the correct shaft to compliment my swing. I have tried a Hazardous stiff/6.0, a Tinsei X stiff, an Evenflow white X stiff and now a Ventus Red 6x Velocore. I have tried several different balls along with the different shafts. The Hazardous stiff just didn't work for me at all, the ball would balloon up and just fall out of the sky costing me a lot of distance. The Tinsei X stiff felt like a board to me, didn't care for it at all. The Evenflow white feels fantastic but I think results in too little spin and very low ball flight also costing me distance. Finally, the Ventus Red seems to be a good fit so far after playing 2 rounds with it. Ball flight is better with more carry and it just feels good to me. Along the way I have tried the AVX, ProVx, and now have some left dash balls to try. I tend to be too spinny off the the tee and create a lot of spin with my wedges so I need something with a bit less spin. The AVX feels great to me but with the EvenFlow shaft the ball flight was too low and I felt like I was hitting a lot of "knuckle balls". Excited to try the left dash and see how that combo works out especially with the driver and wedges.
The lesson I have learned is there are 3 components to your driver game, the head, the shaft and the ball. It is so important to have to correct variables in the equation to get the best results.
FYI-getting a driver fitting would have helped tremendously with this process. I did have a Titleist fitting for my irons but have been going the trial and error route with the driver. Honestly, part of the fun for me is the tinkering. It is amazing what a difference a shaft and ball can make when setting up your driver. So the take away for folks is this...seriously consider upgrading your driver shaft, especially if you don't feel like your getting the most out of your driver, and seriously consider which ball you play because it makes a tremendous difference. Both scenarios will cost you more money possibly but in the end it is worth it in my opinion.