Originally posted by CNunez What we can use this feature for depends entirely on how long it takes to shoot. Any motion in between shots will cause artifacts on the final image. Unless pentax makes it blisteringly fast, it probably won't be useful for landscape photography.
I think what Jonby said is correct. You take a high res shot and also a normal shot and then if there are areas where there are artifacts, it is fairly simple to blend the images. I don't think it would be as hard to use as some think. HDR combines multiple exposures as well and while I wouldn't use it on a very windy day, there are plenty of times where there is little breeze/movement in a landscape and it is usable.