All PCBs are in DipTrace format now.

All
schematics and PCBs (except ft232 USB board) are now in DipTrace format.
Off course you can modify the PCBs to your liking using free version of
DipTrace. Also check out this
version of PCB
contributed by BlueDragon. It combines
MegaDrum32 Digital Board and AVR-CDC USB interface in one
PCB.