I have just listed my SB80DX flash, Subal Pro-Case & cable on eBay. They are in excellent condition and are for sale due to my D200 upgrade which uses iTTL instead of DTTL....
If you need DTTL underwater, this is the only way to get it. Here is the link:
http://cgi.ebay.com.au/ws/eBayISAPI.dll?Vi...DME:L:LCA:AU:11