I recently reshafted a couple hybrids with the new Rapport Core Blue shafts. I was extremely impressed by the overall soft, yet stable feel of these and the performance has been excellent. With this in mind, I decided to use the iron shafts to rebuild my current gamers, dropping a flex. Last night, I went through and ran the spec's on these and let me tell you, I was extremely impressed. Out of my 7 shafts, all were exactly the same weight (74 grams) except 2 @ 75. The CPM's were all basically the same as well. Additionally, these come pre-marked for optimal flow (no additional charge) and they were all dead perfect.
I don't know that there is a more consistent shaft on the market at this price right now. I'll finish this build tonight and hit them Wednesday. I'll report back with a full review of the performance.