I have read a LOT of issues on Cloudy Nights mount forum about these, but when they work right, they work really well.
The main issue is the usual iOptron issue - software and the electronics (having been on the receiving end of a poor QC iOptron motor kit and hand controller, I can fully understand).
With a bit of work, they work well, much like the NEQ6. Neither is perfect out of the box, and expect to tinker, replace and adjust to get it to work well.
Shush Brian, we all have opinions