I have watched for a number of years. Looked promising at first. Almost unreal what it could do.
Happy with my analog Pi and the specs were close the the digital AQ, without the bells and whistles programming.
Didn't have any interest paying to be a guinea pig to test a product without the option of it being turned in for an actual production unit.

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I dig it with a Nokta/Makro product-Legend,
DeepTech Vista X and Blisstool V5 The Beast