Kururin owns. One of my friends was totally hooked on it. Funny enough it was the same friend who told me when I got a Cube: "Why don't you get a real console, like a PS2?"...
This game has the potential to be one of the greatest sleeper hits* on the system. Hehe, Kururin multiplayer deathmatch...
*= Kururin GBA apparently didn't sell. I got it for a tenner from an otherwise expensive store (they had tons of copies lying around in their "this didn't sell" corner). Okay, so the same store had an overstock on SSBM...