excellent idea!
Iluvjunk I hope you have a way if implimenting something like that by the time it comes time to call on you for this work for my truck
but. if not..
www.jamstrait.com has 194 retrofit LED clusters.. so that might be something to try.. but as you know incandescents and LEDS have different properties of light angle.. so the LED might be so direc that you dont get enough light from it.