Why not using the NAND, the Memory Card data being a save file on Wii?
Just a random idea, but I think it's not that bad.
I think of it as a save file which is named "Devolution" or something...
Bad idea anyway, NAND is not that big, this would be a problem eventually.I already said why I can't used the NAND, it's probably buried back somewhere in all the off-topic bullshit.
Much better on USB...