In case you missed this originally, Gametrailers.com has some excellent high quality gameplay footage of Street Fighter 4. Just follow the links below to check out the videos.
• Rufus vs. Blanka
• Zangief vs. El Fuerte
• M. Bison vs. Vega Gameplay
• Ken vs. Vega
• Ken vs. Sagat
• Guile vs. Sagat
• Viper vs. El Fuerte
• El Fuerte vs. Guile
• El Fuerte vs. Blanka
i.imgur.com/ZJQ0N.gif