alewar
Contributor
The only other unit I was looking at was Heinrik Meinkampf's thing-die OSTC sport loved how it uses AA batterys, but it has issues of software openness- trimix and ccr in case my diving decides to evolve further.
As far as I know their firmware is open source. You can download it for free and even modify it if you have the skills. Do you see that as a disadvantage?