AKIRA in 3D (4k) - YouTube
Up until I saw the person I couldn't even tell this was 3d which is saying something because the vast majority of 3d trying to emulate 2d I have seen has a weird plastic look to them.
3D cell-like animation has gotten so much better. Check out a series called D4DJ.
If you play Kaneda's theme while watching this, it adds a whole new level.