I’m going to do another test of WP 2.9 crop feature, and you are 100 percent safe in ignoring this post. It turns out that my diskspace was full due to an uncleaned supercache directory after I upgraded the plugin during my last test. So, let me try again and check results.
There you have it, a great new feature in WP 2.9, that works fine. What would be nice is the ability to do this outside of the gallery window however, like when you click on an image in edit to pull up the “edit image” GUI.