It is not on your list but I agree with bigulls. I have used the NAP Scorpions for the past two years and have not had any problems with them. I have taken two nice 8 pointers and three doe. Not one of them ran more than 35 yards and all shots were complete pass throughs. I have the 100gr Scorpions mounted on CX300's weighing 364 grains traveling at 268fps.

Of the heads you listed, I would go with the Spitfire XP Pro or the Wasp. I don't know if NAP is including the cutting blade in their replacements blade packs yet so that may be a factor.

If you are going on a guided bear hunt, check to make sure that the guides will allow you to use mechanical heads. Some do not.