I am selling a full underwater setup for a canon rebel Xti. I have everything you need minus the camera itself.
Price for everything $800 you will never get a better deal. I only used this equipment one time.
housing tray with arms
DS 51 strobe
strobe arm and cord
50mm lense for macro work
I will even throw in another ys 25 strobe for free w/ fiber cord
manuals and anything else that came with this gear.