there is a pinsider making a cool mod, but a long wait, pretty sure he has sold out but leave a message anyway, but it took a few months for me to get a reply
http://pinside.com/pinball/forum/topic/interest-advice-on-cftbl-speaker-panel-led-mod-re-run
it comes with the timber board and the circuit board thing and cabling.
bought the original, but it (the original) is incompatible with a color DMD
Sucks
I did hook it up, I was not terribly impressed with the result
lights in the taillights, and chaser lights in the 'STARLIGHT' sign
meh