The famous Leica blogger, Steve Huff, reviewed the K-5, as he did the first time for Pentax with the K-7:-
http://www.stevehuffphoto.com/2011/01/10/the-pentax-k5-digital-camera-review/
A nice review from an user perspective, surely not for measurbation purposes nevertheless, as there are simply no larger sized samples. Moreover, I am sure that there is no "18-200" kit zoom for the K-5! Is there one? Any? ;-D