Wow, there's some great photos there! Have you done much photography before (film, above water)? Looks like you already knew a fair bit about it, or you had an amazing teacher!
I wouldn't worry too much about the G9, I've got the G7 myself and am very happy with it (although the Ikelite housing's been giving me the shits lately).
Ryan.
Thanks Guys for the compliments " First Time Lucky" I guess 

Well yes i had a lot of experience with Nature photography, so knew the basics like Av, Tv, exposure, light etc. etc. Since my daughter was born in 1996 i had packed everything away. Started diving since last October, and the "dormant bug" got active again
But understanding Digital cameras was a challenge. I still fumble with a few modes.
Most of the Pics are on Manual including flash. I have set C1 on Macro and C2 for slightly larger subjects a little distance away. Depending on the colour of the subject i play with the flash intensity. I did use TTL for a few of the Andamans pics, but avoid this as i find reds and yellows seem to be more highlighted. I do use optical zoom at half for macro shots but have not used telephoto at all.
I would now like to experiment with wide angle shots BUT i do believe this rig has its limitations. It would be really nice if anyone out there has wide angle pics taken with this setup. Any advice on this is welcome.
My last two dives at the Andamans got messed up as the Ikelite fogged up on the lens glass window. Well the reason this happened, i assume, is cause the boat had a bucket of Fresh water kept in the open sun on the boat for the cameras. Hence the temperature got a few degrees higher than the sea temperature. I saw a thread on this topic and am going to throw in a a few silica gel packs inside next time.
Finally i do believe Jeff was an excelent teacher who stressed on going manual from Day I. Interestlingly he also makes a leak detector which i have fixed in my housing. Its really effective and not too expensive. About 60USD. I will post this as a new topic soon with a link giving the details.
Diggy