Ultra Street Fighter IV Review: the definitive version of Capcom's seminal beat-'em-up
The Focus Attack has also benefited from an overhaul. Now, holding down the Medium Punch, Light Punch, and Medium Kick buttons buffs the maneuver to become the Red Focus Attack, allowing you to absorb more punishment from your opponent.
The new characters are great; Balance tweaks and various additions deepen the game's combat system; The most substantial SFIV update yet
Various content is reused from Street Fighter x Tekken; Casual fans may not appreciate some of the more subtle additions