RAGE looks gorgeous at super wide resolutions, please check this gallery (163 screenshots) - http://widescreengamingforum.com/node/17576 , running the game with the tweaks that should enable http://www.geforce.com/News/articles/how-to-unlock-rages-high-resolution-textures-with-a-few-simple-tweaks in the game.
Great game, thanks id ! :wub: