I would not recommend getting an air-integrated dive computer simply because you forget to check your remaining gas supply.
I'm not sure I understand you here, that is why I want it integrated and on my wrist, so I won't forgetIMO, that's poor diving practice and should be corrected before you move forward with the sport. Air-integrated dive computers make sense for people who prefer the convenience of checking their remaining gas supply AND NDLs/elapsed bottom time/depth
all in one unit.
That's what I want, so again, I am confused about your first remarks FWIW, it takes very little effort to check an analog SPG and a separate dive computer periodically throughout a dive.
My dive computer has a watch-style form factor. It sounds like a great idea to be able to wander around topside with a dive computer strapped to your wrist. In reality, this just increases the chance that you'll damage it in some way. Depending on how much you sweat and where the water contacts are located, you may find that the dive computer function will activate while topside and theoretically this could drain the battery faster. For this reason, I tend to only wear the dive computer when I'm diving. Moreover, some older divers find that reading a small watch face can be difficult. You may want to take this info into account when making your purchasing decision.
That is something that I had not thought of, I do not sweat much but my fiance does. Thanks for the heads up!
I would recommend spending about $300 on a nitrox-capable, easy-to-read, non-air-integrated dive computer with an intuitive interface, a gauge mode, and a user-replaceable battery. Most dive gear manufacturers have models in their computer line which match this feature list. Get a separate, tried-and-true Suunto SK-7 compass and a brass-and-glass analog SPG. This setup will serve you well for many years to come.
Personally, I don't regard a dive computer as a "life support" device. It's a piece of gear that gives me depth and dive time information as well as calculates NDLs for me. Since I always dive with a buddy, I can very easily do cross-checks to validate that my computer is displaying reasonable numbers for a given dive. FWIW, I could just as easily get along with a waterproof watch, an analog depth gauge, and dive tables. Nevertheless, divers who do multi-level, multi-day, repetitive dive profiles can benefit substantially (with respect to NDLs) from using a dive computer over tables.
Thanks!!!