Rob Galbraith:
Camera Bits has released a public beta of Photo Mechanic 4.5 for Windows and Mac.
The next version of the pro photo browser introduces a smorgasbord of user-requested changes big and small, including such welcome features as five-star ratings, drag-and-drop thumbnail sorting, the ability to automatically display in slide show fashion new pictures arriving in a folder (including from a wirelessly-connected camera), beefed up web page generation (with support for AutoViewer, SimpleViewer and PostcardViewer galleries), user-customizable hierarchical keywording, Unicode IPTC support, snazzier-looking contact sheets and more.
Here.