Simply put, Super Street Fighter 4 is the best fighting game.
GRAPHICS: Amazing. Incredible. Unique artistic style. I really like how Capcom made this game. Everything looks awesome. characters, environments, fire balls, moves are all treat to watch. SF4 has amazing graphics but those in SSF4 are slightly improved which makes them even better. New characters and stages are just beautiful.
score: 10/10
STORY: Well you can't expect mind-blowing story from a fighting game, but SSF4 has decent story. ****SPOILER ALERT*** it's about Shadaloo and M. Bison's attempt to take over the world with his new tool called S.I.N.. New character, Juri, makes things more interesting.
score: 8.5/10
GAMEPLAY: It's very similiar to SF4's and other SF games. I think the controls are the same as ever and that's great. Every character has their own technique and moves. We all know that focus attack was introduced in SF4 it's very powerful if used correctly. SSF4 features rebalanced and retuned gameplay with new ultra combos for each character. Probably the most important thing are the chain attacks and combos. Once you learn those, then you're going to become better and stronger. There's training and trial mode to help you master combos. Only this time, you can choose which trial you want to practise without having to complete the previous one like you had to do in SF4.
score: 10/10
SOUND: Again beautiful. Awesome. Outstanding. Fascinating. There is no more that annoying "Indestructible" theme song. Now it's just old-school SF music. Every character has their own theme song. I really like Ryu's, Ken's and Akuma's theme song. It's just legendary. Voice acting is amazingly good. In addition you can choose between English and Japanese voice for each fighter. Audio of the fight is brilliant.
score: 10/10
REPLAY VALUE: SSF4 has huge replayability. Arcade mode is fun. You can play trials to become better. Barrel and car smashing stages reappear in SSF4. This game has great competitive multiplayer. You can play localy with ur friends and there's an awesome online play. Only thing to complain is rating system cause you can lose too much points from lower ranked player and sometimes when you win against high ranked player you get just few points. There are few online matches: ranked match, endless and team battle and tournament mode. If you don't feel like fighting, you can always watch yours or other people's matches at replay channel.
score: 9.7/10
OVERALL: With it's superb audio-visual presentation and strong competitive play, SSF4 is a must have for any fighting genre fan.