first of all i have to say i am quite impressed already by this tool, and you will surely get a donation from me when my tests are succesful
I am testing the latest version (2007.10 from 27.10.2007) on Windows XP SP2, using two panes vertically split with tree view for both.
Issue:
When i copy marked files from one pane to the other by using drag and drop, i can't use the pane from which i dragged until the copy is finalized.
You can browse in the tree view to other folders, but can't perform any action on files.
Using the copy function (e.g. by Shift+F5 or button) everything works fine and the copy happens in the background.
If you need more info, you'll surely let me know
Cheers