As a current TaylorMade R7 Quad owner, it's hard to conceive that the new TaylorMade R7 425 Quad could be that much better than the original. We'll I did some research and I was pleasantly surprised that TaylorMade was able to squeeze more out of the new R7 425 Quad. While this isn't quite a TaylorMade R7 425 review, it does provide some details on why the new one performs better.