This weekend, Raimund Schuster (famous owner of TeKaDe, the Pentax shop) and Wolfgang Baus (from Pentax Europe) organized a hands-on day in Hamburg, still location of Pentax Europe HQ.
This gave a number of customers the opportunity to gather first level experience with the camera, incl. blende8 from this forum. I for myself couldn't make it as Hamburg is the other side of Germany...
The overall feedback is quite enthusiastic. blende8 himself wrote "
K-7 is great". In particular, a couple of experiments to track moving objects (a running Pentaxian, a biker, a car driving by) have been successful. One has written: The predictive AF now actually is it:
predictive ...
You may want to read more about it here (warning, contains German language

):
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phototalk24.eu :: Thema anzeigen - Bilder/Videos/Lob/Kritik K-7
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phototalk24.eu :: Thema anzeigen - Meine Anmerkungen zur K-7
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http://s215846244.online.de/wsb46271...entax%20K7.pdf

(All images (c) blende8 and cross-linked from his photo group site ->
http://www.informatik.uni-bremen.de/...9-UT/index.htm!)
Others may add to the information, or ask blende8 directly (as I didn't attend the meeting).