Originally posted by Gimbal Weird, the K5 only cycles the shutter.
Yeah, that's the smarter way to go about it. I don't even know why double mirror cycles exist. I assume it's the programming - :"Ok, mirror is up. Oh he pressed the shutter button. That means I gotta exit liveview. Woops there goes the mirror. Let's bring it back up again!"
But yes, not having the mirror on this camera helps it in that regard vs the k-x. It doesn't make the k-5 less relevant, but if I were to compare this camera to the k-x/k-r, that plus the sensor are some plusses.