So what do you do when sites lose their PR? Are you going to purge your directory of any that drop too far? After this update, a lot of them fell by a point, even established ones. The directories in my signature are free, for the time being.
A few of mine http://free-web-directory.koollog.com http://directory.hpfusion.com http://directory.w3joint.com/ http://dir.directorytrials.com/ Thanks for adding them on your list...have been free every since inception