I dont know is this will says much but on DPreview forum there is a guy who says there is an add in Köln (where photokina takes place) on a taxi that shows a partial pentax camera in the shadows. Here's the photo:
Heres the link to the discussion:
http://forums.dpreview.com/forums/read.asp?forum=1036&message=29193467
Heres the link to the discussion:
http://forums.dpreview.com/forums/read.asp?forum=1036&message=29193467