In my experience most all of these fixed blade threads come down to the same few heads, if you are looking to be budget minded. The exodus, slick trick, and magnus heads are going to be your top vote getters. They get the top votes because they are all good heads, at a good price, that work consistently. Are they indestructible? No, but I don't think anybody who is looking to buy heads for $30-$40 should expect them to be. Choose one of the three you like the best and go for it with the confidence that a lot of people have used these heads and found a lot of success.
If you want personal experience, I've shot the slick trick standards for years and they are great. Always easy to tune and performance has always been good. They made it through the offside shoulder of my bull a couple years ago just fine, and can't think of a harder test than that in the species I hunt. They are a one time use head, but you can just buy new blades for them instead of resharpening.