Running rawhide 20090924 from desktop system , I test gnome-shell to explore its features (seems Activities name is inspired from Sugar interface . Very disappointing because the shell needs hardware acceleration i.e 3D support. Even Sugar interface did a much better job despite its simple look. Picture speaks itself.

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I think is something wrong with the image, like the person does not have a neck or stay somewhat hunched, with the chin too close to the chest, something not fitting the smile.
And what about GEGL? What if you have used it? Benefits? Drawbacks?