Street Fighter is one of the most played video game franchises ever, this is the game that made gamers stand for hours in arcades back in the 90’s. SF4 is coming back in a brand new avatar that blends 3d model into a 2D environment and looks uber-cool. There is very little info out about the game, you can access trailer and other info here.The game has been commended on its visuals, the cell shaded look works really well with the game, according to the Wiki page:

The characters and environments will be rendered in 3D computer graphics and appear to use a stylized cel-shading effect to lend the characters and environments a hand-drawn look. The gameplay video featured a full 3D, cel-shaded environment and characters, fighting on a 2D plane that shifted and rotated. The version of the game shown to EGM ran at consistent 60 frames per second.The character designs will stay true to the Street Fighter II style, though Akiman no longer works for Capcom. The art director and character designer for Street Fighter IV is Daigo Ikeno. visit the homepage and register for more info, as for now enjoy the teaser trailer.