always preferred using the shoulder buttons to the face buttons on frequency and amplitude, cuz with the shoulder buttons you don't have to move your fingers between but can instead simply rest them directly on the buttons. this freed me to only have to think about when to press each button, rather than also thinking about where to move my thumb.

had the same thought about the music choices. seems to me that no single player would ever really like all the genres equally, so why not have separate versions of the game per genre? the new guitar hero game will have multiple versions for distinct tastes. if freq or amp had been so popular, they'd have been given the same treatment. i'm not overly into the guitar hero interdace (even tho i played stringed instruments for years...), but i'm intrigued by the 'co-operative' elements in the new version. two players can jam together, switching between lead, rhythm, and bass guitar lines. i'm sure we'll end up with a copy here at work, so i'll let you know if its tasty.