well there is one way, its called savemii, all you need is the savemii dongle,a gamecube controller,and a game with an update or an auto-bootable update disc, here is a site that sells the dongle:by mmoye9 - FixMii
I would like to inform Everyone that i am beginning to create a port of Pj64 to the wii and if anyone would like to help please email me: mmoye9@gmail.comby mmoye9 - Homebrew Applications