I would just like to add that part of my conservatism over some of these home console versions of very popular/successful portable games is that they appear to be nowhere near the blockbusters that their portable counterparts are. Look at Pokemon. Diamond/Pearl is going to far outsell Battle Revolution.
This isn't scientific, but I would say forecasting the Wii game will sell 30% the number of a DS game is a reasonable guess.
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This isn't scientific, but I would say forecasting the Wii game will sell 30% the number of a DS game is a reasonable guess.