First off the graphics will just blow your mind. Very artistic. All original 12 fighters return as well as new ones and from SSF2 and SFA.
The gameplay combined elements of SF2, SFA, & SF3 except introduction to the focus attacks and ultra moves. The removal of parrying from SF3 was a disappointment.
My only complaint is the A.I. like when you face the SFIV boss, Seth. Yeah he's easy in the first round, but when it comes to the second round he will get your @$$ handed to you. Well he's the boss, and bosses are usually cheap.
You might want to change the language to Japanese. The English dub sucks as usual.
Anyways SFIV brings the series to its roots and brings pros and casual players to play together.
All I gotta say is: It's Street Fighter who wouldn't like one game (Except the SFEX series and the game based on the *beep* 1994 movie).