Hi Paul,
I am also late to this post, and enjoyed your thoughts. I, like the opening post, was looking to replace my star adventurer. Don't get me wrong, its a fantastic portable mount. The only thing wrong, even with my knowledge of the night sky, it can take me up to 30 mins to locate/align and centre my target for imaging. There are 2 lightweight travel mounts I was looking at:
Explorer Scientific iEXOS-100 PMC or
iOptron smartEQ Pro+ Goto.
I am concerned after reading this review in the sky at night magazine https://www.skyatnightmagazine.com/reviews/mounts/explore-scientific-iexos-100-pmc-eight-equatorial-mount-review/ that the mount loses its tracking if the WIFI signal I lost, and this can happen when your tablet goes into standby mode. Reading the review for the EXOS-200 PMC, they have the same issue, and they raised this with Explorer Scientific, who say they are looking into it. My question would be, when they have a solution, can this be rectified with a firmware update ? or would only be available on future Mounts. ?
All said and done, we are looking at budget mounts, but I don't want to ruin a nights imaging due to lost tracking. What I do like about the ES, is its belt driven, and tracks very well once aligned, (from what I have read that is) plus, it has a 6.8Kg imaging load capacity compared to the 5Kg of the iOptron, but there again, I would only be imaging with my Altair 60EDF and DSLR, so both mounts would comfortably suit my needs. I am attending the IAS-2019, so, I hope both ES and iOptron are both on display and gauge opinion from the exhibiters.
As this post is a few months old now, I'm hoping other SGL members have purchased either of these 2 mounts and can give there input to this thread.
John