See my Pentax K1 wish list at B&H Photo.
The Pentax K1 SuperRes pixel shift mode has some severe limitations for field use (see the extensive discussion in my review of the Pentax K1), being not only intolerant of subject movement, but also intolerant of changes in lighting.
But I wondered—could I get away with high quality results for sunset/dusk scenes with relatively stable light and reasonabl shutter speeds around 1/5 second?
In my review of the Pentax K1:
Includes images up to 28 megapixels along with large crops and RawDigger info and ACR conversion settings and commentary.