Then I’ve got to carry around a laminate chart decoding the color dots to juice flavor.

A HUGE step back since I’ve standardized on a label printer for all my other devices. I like sticking labels on my cartos, tanks, clearo’s and CE3’s this is one device where it won’t work.
This is not a biggie, just pointing out how this could be improved for me as the discussion turned to what the ultimate device would be like. It still vapes great, and it has quickly become my go-to device alongside the CE3’s