Pre-PMA 2007: Today is the day that Sony has chosen to unveil its PMA compact camera annoucements, perhaps the worst-kept secret of the year so far. For anyone who hasn't seen the leaked information there are additions and updates to the T, W and H series. We'll start with the big boys; the DSC-H7 and H9, which replace the H2 and H5. The new models both sport 8.1 megapixel sensors, HDTV output, 15x stabilized zooms and - in the case of the H9 - NightShot technology for, apparently, shooting in total darkness. This being 2007 both models (the difference is basically the screen size) also have automatic face detection technology, without which any camera is now officially, old hat.