Guitarist Carrie Brownstein of the late, great Sleater-Kinney tried out Wii music » 11/19/08 6:15pm 11/19/08 6:15pm for and found it kind of…wussy. But not in a bad way! Brownstein says, "For one thing, your Mii (the avatar you create to represent yourself in the game) has mallets instead of hands, a pair of harmless, fingerless spheres...Not…