you might want to ask yourself whether you want a digital setup or a non-digital setup. If non-digital, whether Housed SLR or just amphibous & these depends on teh amount of moolahs you have, how into diving and photography you are....
& you are right, it is a system within a system; you gotta get strobes (S$500-S$2k), casing, maintainence kit, battery chargers, ports etc etc etc & put some money aside for repairs/new purchasers if your system floods...
I am planning to get a Housed SLR System for purely macro work (the pelagics are usually too fast for me...)
so far, it's a toss between EOS 300 with CX-603 Sea&Sea Housing or Nikon F80 with NX-80 Sea&Sea Housing ...
by far, the Nikon F80 setup is supposedly superior in performance but the cost (may a difference of S$2K at least) is having its deterrant effect on me...*SIGH* :what:
if you have the Nikon F65 (with the appropriate lens i assume) already, why not get the Sea&Sea Housing for it? Cost abt S$2950 (go to Sea&Sea shop at the Adelphi, look for Andrew)
might want to ask davidkh, he just got a CanonS40 with U/W casing and he is experienced with u/w photgraphy
ikelite in Singapore? there are a few shops selling them. go to www.asiandiver.com forum, there's a thread there abt where to get it..
have fun !
(post a few pcitures of whatever pics u have once u get ur setup)