The pre req is basic nitrox. Most tech programs don't require AOW. They see if for what it is. It's diving experience that counts.
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TSandM:Rafael, given that you are already using the configuration, and that you are doing the kind of practices you mention in your post, why don't you just skip AOW and do DIR-F? The only things I can think of that you could learn in AOW and not in Fundies would be related to navigation. Everything else would be covered, and more, in GUE's class.
PerroneFord:I don't think you'll find a fundies class locally. Whether it's worth the travel only you can answer. Sure was worth it for me.