Surprisingly large and thorough Graphical User Interface list, with timeline, screenshots, downloads, links. Very useful resource for students of computer interfaces.
Compares UI and usability of several desktop environments (DEs) that are widely used, admired, reviled: Windows XP Luna, BeOS 6 (Dano/Zeta), Mac OS X Aqua, Unix KDE and GNOME. Large article with many forum comments. [OSNews.com]