Cocoatech has released Path Finder 5.7.6; this minor update to the company’s Finder-replacing file browser corrects several issues related to Mac OS X 10.7 Lion, such as improving compatibility with non-HFS volumes and authorized file operations, removing the AirDrop item from Path Finder’s sidebar, and eliminating duplicate entries in the permission pop-up menus. ($39.95 new, free update, 18.3 MB, release notes)
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Multi-Monitor iChat in Snow Leopard
In Snow Leopard, on a multiple-monitor system where you're using screen sharing over iChat, dragging the tiny inset preview of your own screen to another monitor shifts the remote screen to that monitor.