The latest news (inforumors) is that Pentax is readying its first mirrorless DSLR (the Pentax Q doesn’t really count) to be revealed at CP+. Leaked specifications list the K mount, the same image sensor as used in the K5, Shutter Speed range of 1/4000 to 30 sec., Contrast AF, built-in flash, and an EVF (though internal or external is not clear).
Read the [Google translated] article at: Digital Camera Info.