Ok, my C7070 is still dry but I would like to know from the users if they have any issues on low-light focusing underwater. The following review gave it a decent level but some other forums have been saying that it is difficult to focus underwater....
http://www.imaging-resource.com/PRODS/C7070/C70PICS.HTM
http://www.imaging-resource.com/PRODS/C7070/C70PICS.HTM