I did a rehouse for a friend of his signa drive / buddah and added a effect order switcher - I bought PCBs from GuitarPCB tfor effect order switch which was definitely worth it.
(http://i61.tinypic.com/30xc1u1.jpg)
(http://i60.tinypic.com/jv6nf9.jpg)
(http://i62.tinypic.com/2qlb9c3.jpg)