You are going to get a bunch of different answers.....so here is mine. HELLRAZORS BABY!!!!!
I was a Thunderhead guy for many many years with no reason to switch. I always told myself that if NAP ever came out with a 1-piece head, I'd buy it. They did....and I did
I've killed 2 mature bucks and a caribou with my Hellrazors and I watched all three drop!!!!
Here is a picture of what the Hellrazor did to the caribou's shoulder....(lots of little pieces!!!) The guide that boned out the 'bou back at camp didn't believe that an arrow did the damage.