Mar 31, 2008 - Nintendo's plan to bulk up the appeal of its Wii video-game system among consumers who normally would dismiss it as kid's stuff is poised to get a major boost later this spring with its highly anticipated exercise game, Wii Fit.

Wedbush Morgan analyst Michael Pachter is predicting the game - more of a virtual personal trainer than a traditional shoot 'em up or sports fantasy - could be one of…