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Interesting to read. Sounds better than my standard MiniTower:
I had two serious problems with mine. Both were fixed, but one may crop up again with the (new) owner:
--the bearings move in little jerks. This jittering isn't visible at low power, but definitely is at high power. Teflon lube in the bearings smoothed that out and pretty much make the jitters invisible, but the lube needs renewing every few months.
--the motor boards burned out twice and had interaction issues with the hand controller. The first motor board disallowed the centering of an object in the field because it kept moving when the finger was taken off the button. Solved by board #2. Board #2 burned out and was replaced with board #3, which burned out. Board #4 was still working when I sold the mount, but it hadn't been used much. iOptron replaced all the boards, but I suspect there is an under-rated electrical pathway that causes the problem.
The original saddle clamp is worthless and needs to be replaced with an ADM style saddle that uses two bolts to pinch the saddle between two long saddle edges.
The reason I mention my experiences with the MiniTower is that I note the Mini-Tower Pro is nearly identical internally. Most of the difference appears to be in the much beefier tripod.
It sounds like Graham has a handle on making the mounts more useful.
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