Well, there's the entire Geforce.com article to sift through, and there are certainly less/more flattering shots to pick there than was originally posted.
Yeah i skimmed through that and i don't think Nvidia are taking screenshots that flatter the game, it's more showing the differences between presets.
Edit: These are good imo
http://images.nvidia.com/geforce-co...s-of-war-4-environment-reflections-001-on.png
http://images.nvidia.com/geforce-co.../gears-of-war-4-depth-of-field-002-insane.png