yes US version, coz i checked again it says 2.0U.
so i have to update the firmware to 2.2, before i play backup games? hmm, need to find a wifi to do that coz i dun have wifi at home. oh btw, if i bring to my office, but no wifi, just USB Modem, can i hooked up to my wii? does the wii has built-in Wifi? sorry for asking coz i just got my wii. thanks.