I can see Thunar displays the progress for copying in recent Feisty. The lack of progress bar when unpacking is a known bug of xarchiver -- the bar is displayed if using file roller as the archive manager.
-- No progress indicator on long file operations https://launchpad.net/bugs/80769 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
