When you look at the pictures below it seems like they are meant to be black. They have a look of a semi finished product. With that done I can concentrate on painting skin on some of them, then weapons, then all other detail. All that time, the models are tied in with the army and I got a feeling that when having all my models based makes my side of the battlefield look so much better. Also, no one can tell me I play with unpainted / grey models. There have been some effort put into them, just in a reversed order.
So here are 2 units of gretchin and 2 units of orks for my future army. Nothing to like or dislike I guess, just have a look: