I switched to G-5 SGH( small game heads) this year. A little on the pricey side, but I haven't lost a single squirrel or crow that I have hit with them.  Check them out, I think you'll be impressed. Pete

I'll second that, Droptine...pricey, but 100% lethal...

I've been using some called Spider blunts made by Absolute Machining in Indiana. They are VERY impressive. If you like hex styles, these are similar but precision made and cut great too.

I like simple blunts and Ace Hexblunts the best.  I used to judos until I actually started killing alot of things, LOL.  I find that judos make a mess of small game when they penetrate. They pull hair and dirt into and through the wound channel, making it much harder to clean, especially rabbits.
 I also feel that the spring arms may dissipate energy that a blunt would transfer directly to the animal. I have had hits on rabbits and squirrels with judos, where it nocked them for a loop without penetration, but it didnt kill 'em.  I have done the same thing with blunts, and the animal died from the shock of the hit, even if there was no penetration.