Instructions here: http://wiki.kde.org/tiki-index.php?page=KDE3To4 Plasma mockups (4): http://web.inter.nl.net/users/jospoortvliet/kde4/kde4.html Usability improvements... Spiced up (3.4): http://www.kde-look.org/content/preview.php?preview=3&id=27568&file1=27568-1.jpg&file2=27568-2.jpg&file3=27568-3.jpg&name=Black+Halloween KDE 3 (in this case PCLinusOS) is still fine... http://www.kde-look.org/content/preview.php?preview=1&id=39200&file1=39200-1.jpg&file2=&file3=&name=PCLinuxOS+Aqua+strikes+back