Hi-
Didn't see your post until just now - I don't have the opportunity to check the boards that often anymore.
There are several Scubaboard members in Hawaii - billfish, seanmf and Alikat to name a few. There are others, but those are the ones I stay in touch with and dive with on a fairly regular basis.
We all belong to Island Divers - it's a pretty active dive club - it's free and they just opened a shop on Hickam. In fact, one of the owners of Island Divers is also a member of Scubaboard, but I don't think he has time to log in often. They're a really great bunch of people - extremely friendly and it only takes 1 dive with them to feel "part of the club".
As an aside, when I first called the owner to inquire about the dive club, he asked when I wanted to go diving - he didn't have anything scheduled that day, but on the spot decided to schedule a club dive and asked where I wanted to go. That's how friendly they are.
Welcome to Hawaii - and if you have any other questions, feel free to PM me.