I've had a couple of these for a while, but hadn't gotten around to sharing any pics.
Here's the 'golden' version:
And here's the bay ('dark brown') version:
Both of these are taken just straight after unboxing. In my opinion, these Mr. Z horse models look best in daylight. They can look good in artificial lighting too, but the daylight seems to bring out the best in them and make their coats seem more realistic. I was not overly impressed with either of the coat colours when I first opened them, but in the sunlight they looked much better.
I'm still not sure if I will keep both of them, and I'm also trying to decide if I want to purchase the bright bay ('red brown') version or not as well (assuming I can find it as they seem to be selling out now). I'm rather picky about horse coat colours, and while these are both passable, I may eventually do some touch-up repainting, as well as some re-hairing of the mane and tail with natural fibers. But for now, they will do. : )
Likewise, there are some minor issues I have with the pose itself, but it is still much better than most other 1/6 horse models out there, so I'm ok with it. I think this model looks best when under saddle and with a rider on top of it. When it's just by itself, it looks a little strange, mostly because the set of the lips and teeth look like it should have a bit in its mouth. The pose also makes more sense if the horse is being pulled up by the reins. Eventually I'll kitbash some riders, but I just don't have the time/money for that right now.
I also got the Mr. Z Thoroughbred in black -- I haven't had a chance to fix it's mane yet, but when I do, I'll post some pics of that one, too. : )