they sure look like they'd be good. ive never tried them. but really, the best broadheads are the ones that shoot well from your bow. ever single person has a reason why they like the broadhead they use the best. if i recall correctly...those tips are a bit pricey..if it aint an issue for you...give em a try and tell us how they worked.
i was always a rocky mtn fan...until this year..i started using muzzys. i aint going back after i saw my target penetration nearly double.