Thanks guys. On the spine issue, I just lower my poundage down to 67 from 70. So if I do find a problem with to stiff an arrow, I can add a couple of lbs. The picture it shows in the catalog has a Pathfinder tip, but it is one solid piece unlike the Sidewinder 3 with a screw in tip. Thanks again. I think, I'll give it a try this summer and see how they impact compared to my Sidewinder 3's and Steelhead's.