http://www.pentaximaging.com/files/pdf/lens_roadmap.pdf
2012
New standard zoom lens (50mm range)
Zoom lens between 30 to 150mm
and (whoo hoo) something @ 500 - 600mm range telephoto this current year.
2013
Wide 10 to 24mm
Zoom 24 to 38mm
Zoom 24 to 70mm range zoom
Zoom 150 - 250mm
Ta da ... AF 1.4x TC