Jeff:

Lots of info on AT. I did buy a dozen of the HVs last Christmas. They spined as close to ACCs as anything I have tested, which admittedly hasn't been that much. They shot very well for me, but IMO, they are not all that durable. Not sure I'd want to hit bone on a deer with the HV, so I never hunted with them. The regular shafts should be a lot tougher.