The first pictures of the Pentax K-70 camera leaked online at digicame-info. The official K-70 announcement will be tomorrow together with a new APS-C based HD Pentax-DA 55-300mm f/4.5-6.3 ED PLM WR RE lens. The K-70 specifications can be found here.
Update – here is a picture of the Pentax-DA 55-300mm f/4.5-6.3 ED PLM WR RE lens: