I recently started using KDE 4 and came across some UI design inconveniences. They may seem unimportant for many people but fixing them will improve user experience. Here's a list of them: Kate: native tabs supportfile browser/tree on left side of application window (dock?)tabs switching using easy shortcut (Alt+nr) Konsole: add "new tab" action to context menu as first itemremove seldom used actions from context menu or move frequently used actions to the begining of the menu (who really often ...
It is possible to use specialized application for each protocol but having it integrated into file manager is much convenient. Besides FTP and SFTP there should be support for SMB, WebDAV and maybe others (some may be available as plugins).