I can play this game all day and not get bored, the bad part is, it's so hard to stop playing!
The graphics are fantastic, especially for a wii game. They are shown off with the screenshot feature, allowing you to rotate a 3D view of the game (except in subspace or classic mode). The cut scenes are also amazing and one of the most enjoyable parts of the game.
The sound is also great, it provides a greater sense of reality while playing and I have not found any flaws in it.
The gameplay is also wonderful. Hardly ever do I get bored of a multiplayer brawl and when I do, I found myself coming back in ten minutes. This game has great replay value, it's highly addictive and will last you years!
As you can see, I've only said good things about this game, because it all is!
If you haven't got this game, and you have got a wii, buy it. Because there wont be anything like this for a long time!