KDE 3.3 Usability Study and Review
KDE has a lot going for it. It’s attractive and powerful. Its breadth of functionality is inspiring. Where it could benefit most is a consistent eye toward usability, particularly in not overwhelming new users with its capabilities. Easing new users into KDE, rather than throwing everyone into the deep end of the pool, would broaden its appeal to a wider range of users.
— KDE 3.3 Usability Study and Review – Conclusion