Looking for opinions on YesTech YTV-1000 AOI Inspection Systems

We have an opportunity to purchase a Yestech YTV-1000 AOI machine. I am looking for opinions on how well they work and how they compare to the newer Yestech B3 AOI systems. We are a high mix, low volume EMS company. We do not currently have any experience with AOI and I do not want to buy a machine that doesn't work and sours management on any future use AOI.

We are interested in inspecting orientation, part markings, solder joint quality, skew (is the part on the pad with in specification) and presence/absence.

How well do they inspect mixed technology boards?

Does the software come with any kind of SPC or data logging of defects capability?

How often does it miss defects?

Thanks,

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