DTF,
Thanks for the tips and I will try to keep my eyes out. I did have a Leica for a while back in film days; got it in trade for some boat hardware and supplies. Last film camera I bought was a Contax T2 (titanium, sapphire, ceramic, Zeiss.... no expense spared). I ended up giving it to PK as a gift and sample of engineering geared towards optimal function and not price point.
First and most important consideration for me with a camera is what underwater housings are available for it and how small and convenient are they. I am by no means well read or expert on what is available out there but my perception as based on the past at least was the best glass came from Europe from folks like Leica, Leitz Zeiss and I have microscope and a number of binocs and a spotting scope from these guys. But regarding camera bodies and especially the electronics seemed to be best if from companies in Japan. I had a boat owner customer/ friend when I was in the marine industry who was an Olympus rep and I advanced along the digital learning curve through the years via demo models I purchased from him. Fortunately there were UW housing manufacturers who made housings for these cameras. When it finally came time to go for a DSLR, the best and most compact housing available at the time was from Subal and designed for a Nikon D70 so I moved over to Nikon and as time passed picked up various lenses as well as advanced through a few newer bodies and darned expensive housings. I have a D300 and have kept a few good lenses for it which I can use for shore side images but the smaller scale of the micro 4/3 Olympus and UW housings built for them are much easier to comport in the water and certainly easier on the pocket book! It would be one thing if I thought I could buy a rig that I would keep and be satisfied with for 10 years or the rest of my life (which ever comes first) but it seems that today's point and shoot cameras give better images than yesterday's top end camera. I am exaggerating but you get the point.
When I heard about the Nikon 800 I found myself considering it but then hit the brakes big time! I do or did have the right glass for it at the time but in addition to the expensive body I would have to wait and hope that one of the companies would make a housing for it and such a housing would cost probably from $2500 to $6000. And ignoring the cost (as if I could) I would also be back to a large and heavy camera rig that would impede my ability to get in place for a shot.
Below is a shot my brother took of me taking a shot of a hawksbill turtle:
I am using my current rig that is a Nauticam housing for Olympus PL3 coupled with a Panasonic 7-14 mm lens behind a 6" port. The port represents a good portion of the entire volume of the rig.
Below is a shot I took of my friend Kristen using her Subal rig with 8" port and Cannon DSLR (subject being the seahorse in the foreground which I could get much closer to because of my smaller rig):
The Fuji cameras you mention sound great and I did a little bit of searching on them but couldn't find much reference to UW housings for them. It's a bit moot anyway because I have already signed on to an Olympus micro 4/3 and related gear platform as well as hanging on to some Nikon glass and camera.
I would love to see a manufacturer approach UW photography with current technology as Nikon did back then in film with the Nikonos. There are some excellent UW point and shoot cameras out there now but there is a significant gap between them and what you can get with a mirrorless and interchangeable lens platform. :shrug: