Before Street Fighter 4 came along and re-popularised fighting games, the wait from one fighter to the next was fairly long. Indeed, if you look back at the games released on the 360 in the years before the 2009 revival, the only noteworthy titles are Dead or Alive 4, Virtua Fighter 5, SoulCalibur 4 and Mortal Kombat vs. DC Universe. Now compare this quartet to the games we've seen since the start of 2011 and you'll have a list of at least ten titles that includes everything from The King of Fighters 13 to Arcana Heart 3 and Skullgirls.
In effect, the market is being swamped with flashy fighting games that are all vying for our attention, but while choice is rarely a bad thing, the thought of adapting to a new system can sometimes be a bit off-putting. This is true for both casual and hardcore players as while a 3D veteran may be disinclined to make the 2D switch, someone who plays against the AI exclusively may find that one arcade gauntlet isn't too dissimilar to the last.
Modern fighting games have to strike a balance between mechanical depth, aesthetical finesse, accessibility, online stability and single player content, and out of all the fighting games I've sampled this year Persona 4 Arena seems to grasp this best.