1. First of all, we have this K-5 "overheating test". Let's see what will happen if we continue to use the Live View or Movie mode of the K-5 and continue to ignore the high temperature warning that is displayed! :-o
http://www.cameralightlens.com/forum/viewtopic.php?f=8&t=890
2. Next, here is a brand new K-5 full review, with measurbations and test picture samples:-
http://www.photoreview.com.au/reviews/digitalslr/pentax-k5.aspx
3. Last but not least, there is a K-5 trouble repor(t). A K-5 user reported that his K-5 was dead after getting wet. See his full story here:-
http://forums.dpreview.com/forums/readflat.asp?forum=1036&thread=38345932
Related:-
When Our Video DSLRs Have High Fever.. :-o ;->
LiveView of the K-5 Creates UFOs / Pearls on Sensor?
Sensor-Shifted IS Heats Up the Sensor Much More Than the Video Mode Itself! :-o
The K-5 Have Got a Cold! :-o
How "Waterproof" those "Sealed" Pentax DSLRs Are?