Hey guys,
Something similar has already been done commercially http://www.myth.rs/myth_audio/lightspeed.html#
And the genesis of it is seen here: http://www.diyaudio.com/forums/showthread.php?s=&threadid=129723&highlight=
It might be inspirational? For instance I like the LCD touchscreen but not sure how it is used? Anybody know similar 128X64 pixel touchscreen that can be used by arduino?