Harmonix on Wii: It Needs a Hard Driv

[TheBigFatJ]

Gamerace said:

User made levels in SSBBrawl can be save onto SD cards and then used right off the SD card in games. I do it all the time. I don't see any difference here.

 

You can also stream music off of SD cards, and MySims uses the Wii internal memory  to cache assets in game to improve performance.