coming along nicely! i think some edge definition could help - it seems like all your hard, crisp details are in the center of each board, instead of defining the edges. this creates a convex and soft feeling to each board. you've shaded them to reinforce this, with the centers being lighter than the edges. same goes for…
@holi: i really like the cat, you've got some great shapes goin on, maybe the delta is to much divided into seperate strands, but that could be personal taste. But there are few things which i think are not just personal taste, the pants look very blobby right now, of course this could be wip and is therefore not done yet…