looks a bit like Well it looks like it's based around the same idea as digg, just for CG art and stuff. The list of categories is based around the whole spectrum:
Animation, Contests, Design, Downloads, Gallery, Hardware, Illustration, Interviews, Jobs, Reviews, Software, Tutorials, Web

It's not that crowded at the moment so there is not much content. Could be interesting once it's a bit bigger.

Edit: there are even two news items about conceptart/massiveblack: