Via OGL @ DPR Forum back to 2006, reminded by Mirrorless Rumors recently.
2. Imagined, maybe mostly based on the above:-
Via PF Post Here.
3. Imagined too, I think:-
@ http://www.olexi.co.uk/news-updates/the-rumored-pentax-k-01-mirrorless/
4. Look Real and should be Leaked:-
Via the Chinese Xitek Forum, Credit by OGL at My Blog.
It is rumoured that the K-01 will soon be announced on Feb. 2, together with the world's thinnest APS-C prime, the 40/2.8 XS, which probably to be the kit lens of the K-01. But also mind you that the K-01 is probably the world's thickest mirrorless ILDC btw! :-o