I picked up the black model, 12 gauge with 28 inch barrel last year. I shot a few dozen casual clays, a few ducks and a few limits of released pheasants.
I was amazed at the ease of take down and how clean an inertia gun stays compared to gas autos.
The gun was extremely light but well balanced. Recoil might be an issue for some using heavy waterfowl loads but it didn't bother me much. It cycled light loads as well as heavy stuff which is a real bonus for an auto loader. I shot the shotgun extremely well and it was an absolute pleasure to carry in the field. The fit and finish on my example was outstanding and the wood was better than average although not quite as nice as advertised.
Every gun seems to find a niche but this one didn't find a forever home with me. A hunting buddy absolutely fell in love with it so I let him purchase it.
It was just a little too pretty for a waterfowl gun and I prefer my Maxus for that chore. I have several 20s and a 28 for upland and I prefer a break action for field use anyway. I can see no reason for a sporting gun being so light but some might like it for clays. I picked this one up used and for a very good price but still found it a little pricey considering all the great auto loaders available. It certainly isn't twice the gun as my Maxus. In my mind there is several very nice classic field guns in the same price range that one should consider along with the Ethos, the Silver Pigeon and Citori to name two.
Anyway, IMO it is a real specialty gun designed for someone that likes to chase Pheasants or Sharp Tails with an auto. If that is your thing you will love the Ethos. I certainly enjoyed my time with it and if I ever feel flush with cash a coin finished 20 might find a home in the safe.