Just tried out the CEM40 for the first time. I have to say it is impressive for a inexpensive mount. From box to imaging in less than a day. Right out of the box and a guiding assistant run in PHD2. No fiddling or mechanical adjusting. The Ipolar worked well. During a 400sec guiding assistant a 0.1arc/minute alignment was indicated.
This is what she was doing with no PEC training yet.