Here's some further info on the new body and the press realease which is sheduled now for Jan 10 in Dubai
Quote from the page Google translation from Italian:
02.01.2008 - With the merger of the group Pentax Hoya effective from 12 March, will open for a glorious Japanese brand new road in the photographic market. What seems certain is that Hoya, the medical interessatissima of Pentax, has all intezioni of photographic value. This was confirmed by the fact that for the first time in its history, Pentax announced an international press conference to be held on January 10 in Dubai. On that occasion, in all likelihood, it will be possible to see confirmed two new entries reflex (evolution excellent K10D and K100D with Cmos sensors from 14 and 10MP) and understand how the "new" Pentax intends to move in a market across reflex 'compressed hours between Canon and Nikon. Furthermore, if ever riesumato the project 645D, in which time the house will proceed to and renovation of the range of objectives and if, as it seems, will continue cooperation with Samsung for reflex cameras.
Translated page is here:
Translated version of http://www.reflex.it/news.html
Original page is here:
FOTOGRAFIA REFLEX
Looks like we'll know soon and the various rumours are all sounding very similar.