I have more experience with the ETs, so I would say them. I am planning on running weekly with buggy, and I will very soon be ordering two new ETs for that. I will run my X2 only on occasion and the JPX is gonna stay in it, for now. If I have issues with it or wear it out, etc...I plan to get an ET .24 for the X2

Plus, you have a much more active thread here for answers and excellent customer service through Chad