There's nothing wrong with the two heads you've mentioned but there's a ton of others out there if someone wants to try something different. I've shot Thunderheads for 16yrs with no complaints at all. They have always beenaccurate and their performance on game has been excellent. However, having said all that i have some Slick Tricks on orderbecause i want to try a four blade head and see how they compare. If i like themi'll use them but if not then i still have plenty of Thunderheads on hand. No broadhead will ever completely replace my Thunderheads but it's nice to have options should one choose to experiment!