We're just now have delivery on the
F400D housing for the Canon 400xTi. They are back ordered currently, but I usually can get them in 2-3 weeks.
I've been using the D80 version for a month, they are very similar. The housing swims well, really not much bigger than my old Ike E900 housing and much lighter in the water. Housing and camera are neutral. Standard port is included which will fit the kit lens along with 50/60mm macros. Metal handles adjust in and out for different size hands or gloves. Dedicated controls. I am impressed with the quality of construction, dual o-ring metal ports, you can adjust with extension rings. 4-5 different available ports now, some on special order though. Domes just took a price increase.
Only a 5" zoom dome available, although a larger non-zoom dome is in final stages of testing. I'm going to test the 5" zoom dome with a Sigma 17-70 macro, maybe a Tokina 10-17FE myself. We should have more lenses tested soon.
Six pin connector allows TTL connection to our housing for the F580EX strobe housing, works quite nicely, you can use an optical sync cord to tie in two strobes in TTL. Other Nikonos connecting strobes will work in manual.
A lot of housing for the money (MSRP $1099).
Full press release