Hifiduino with 40×4 LCD
An audio enthusiast from Spain is working on a maxed out Buffalo III implementation (with 4 Buffalo IIIs!), including a maxed-out LCD implementation of Arduino. It is a 4 line/40 character LCD and requires simple modification to the display portions of the code.
You can follow his project here: http://www.audioplanet.biz/t22627p100-the-buffalo-iii-dac