I was poking around and discovered Livid sells the guts out of their old Ohm controller for only $29USD! This is a great source of parts - mine just arrived today :)
Hopefully some of you can use this to get a head start on your projects.
Control Panel, Circuit boards, wiring, connectors,
LED back lighting
36 Button Clip Bank note pad
9 function buttons
8 slider trigger/mute buttons
8 high-quality faders
1 DJ-style crossfader
10 rotary dials
BPM tap button
http://lividshop.com/graveyard/ohm-classic-guts.html