Even if the price is say, double, Perhaps it would be impracticable to manage the expectations. Even under is09001:xxxx, the concept was to draw up a specification on behalf of would be customers, and? realize it with all sincerity.
To my humble thinking,? Ashar Farhan and/or the firm founded by him that made these units has done? possible best.? May be I want a gold lining, I may have to hack and realize my dreams or wish list.
?Now the hope is on his next project-- might be somet T&M design.