Wii Motion Plus will be “not that much”
If you haven't heard by now, Nintendo is planning on releasing Wii Motion Plus. Essentially this will make the motion sensor's for the Wii-motes that much better. There are concerns, however, that since this isnt' an update and is something you have to buy that it will be expensive. Satoru Iwata says fear not, it should be cheap: "There will be games that will be enhanced by the Wii Motion Plus as well as games that can only be played with it.