K-5 Issues Galaxy

The sensor stain issue and reports of K-5 have got a bit more silent when Christmas comes near. But since there is no official statement from Pentax/Hoya for formally acknowledging the problem and gives us an explanation on what has been going wrong, some interested potential buyers are still kept asking.. See this example today:-http://forums.dpreview.com/forums/readflat.asp?forum=1036&message=