Haven't seen any articles on this, but a user by the name of Tomo has posted some pretty neat character animations. It's looks like Tomo has been testing this out with Blender for a while, but he's been showing some more polished videos recently. I also think that this is one of the best 3D anime character models that doesn't shout out 3D. The toon shader/render in my opinion is really good. If anyone can read Japanese or know Japanese check out his site. Make sure you check out his other videos on his Vimeo channel. Be warned though, the cute factor is at 1000%.