Hands-on Preview (Summary): "The first thing you're likely to notice is its rather aggressive, angular styling but what's really interesting is what's going on inside. The K-30 is built around the updated 16MP CMOS sensor and processor used in the K-01 - one of the only cameras we've seen to exceed the K-5's low light performance. And that's promising, even before you venture further into the specifications. ...
The camera's SAFOX IXi+ AF system is an advance over the K-5 and features 11 AF points, 9 of which are cross-type (sensitive to vertical, as well as horizontal edges). The major difference is that the lenses in front of the AF sensor have been improved - promising more consistent autofocus performance (what Pentax is calling a diffusion lens is designed to prevent chromatic aberrations confusing the AF system). ..."