SD300/SD400 underwater

[superuser]

I like the specs and style of the SD300 and SD400 however I need an underwater housing of 40m. Currently Cannon offer’s one for 3m. Does anyone know anything about any new underwater housing for these cameras?

[EAP]

The Canon website is the best place; CanonUSA.com, or I think it is Canon.com if you're outside the US.