Brawl can be compared to a hack-and-slash game but within the range of some serious button smashing
But you're definitly right about the graphics. In comparison towards the previous version of this game (Super Smah Brothers Melee, GC) they made alot of changes. Not even did the developers improved the gameplay but also the visual quality. Those animated backgrounds are unique IMHO (AFAIK) ^^
Nevertheless, I'm trying to say that these graphics can be achieved when working with competent users but I don't think that it will run smooth on A7 when putting it all together in one animated background such as the many Brawl includes.

Anyway, it's an amazing game though thus you made a good choice Frank

Cheers

Frazzle