@ecurb-j. correct 
@mike. I cannot speak for the Wii Fit channel but everything from the Mario Kart channel can be accessed by running the game, the only advantage the MK channel has is that you can access time trial/competition rankings, download ghosts and check your friend roster without running the game.
I would imagine the Wii Fit channel is similar in that it is basically used as your daily fitness planner, so you can see what your fitness schedule for the day is and perhaps check weight/BMI etc with the board.
So I don't think either are needed.
@final-fan.
thanks very much, you own quite a few games.... Your Nintendo channel only has 1 value for it though, perhaps it was taken off when you tried to edit the spacing and such.








