I use the sniper in addition to occasionally using the cinetape. I trust the sniper as it is so accurate in 85% of the situations and I have it on a motor and control left and right using the iris slider on my FIZ. I use the cinetape more for close up handheld work. I do want to try the CineRT as I have heard great reviews of it and a lot more user functions on set.
Honestly, rent both the Sniper and CineRT. I think you will find some situations to be better for one vs the other. I rent both for my sniper and cinetape on my jobs as I know both are useful and have their pros and cons.