I finally put a black sports band on my Space Black. I really like it. I got the one with the Space Grey pin and although it is not advertised as such, the space grey stainless pin looks like a version of DLC to me.
It's much lighter, which has one drawback, I am more likely to forget I am wearing a watch, so hopefully it doesn't make me hit the case on something.
I like the sports band because at least don't have to worry about damaging the link bracelet. However, at the same time, it seems a bit silly to have paid for the nice bracelet with the watch and not actually use it.
I feel a bit like I'm wearing the Space Grey Sport watch with the sport band on it, since I have family with that watch, so I know it well. Nevertheless, it's a comfortable day to day look. I really love the sport bands, it's a shame the black one wants to show those wear marks, but at least they tend not be visible.
I'm going to pick up a dark blue / navy sport band as soon as they come out with one.