Yes, yes I have. Especially if you were the one who took the image and saw the real life version at the same time.
Humans can perceive much more than sRGB.
It has the exact same vertical resolution, the only difference is that it is wider.
The 25 inch 21:9 is at a *very* nice price point, and good dot pitch too. Not to mention desk space savings over the original 29 incher.