Hi 8Trackid. I have the Giotto with about 75 dives. It is a conservative computer but so are your other choices. It is an excellent computer and very user friendly. It is capable of nitrox as well as a second gas up to 99% O2 so will serve you into the beginning stages of tech/cave. It has a deep stop option as well. The screen is easy to read. The only downside is that the safety stop countdown does not begin until 15 feet but since I do 5 min stops I just do 2 minutes at 20 then finish the countdown at 15 then 10. I had one occasion to call CressiUSA and the response was excellent. Any other question, just asked.
Edit: And it does have a gauge mode.
Edit: And it does have a gauge mode.
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