I've made a lot of really fine images with this setup and I hate to sell it, but have to finance a purchase of HD video camera and underwater housing to go with it. Sucks. I will try and not shed to many tears over the stuff while I'm packing it up LOL.
Buy the diving equipment used and keep the Hassie. You will not get as much as you would like to.
Warning!! Handling a Hasselblad can be harmful to your financial well being!
Nothing beats a great piece of glass!
I leave the digital work for the urologists and proctologists.