Ordered 30 micro surface mount LEDs online, disassemble unit, de-solder and remove orange LEDs, and replace with the blue-uns
Here is my thread on the climate control conversion with pics:
Changing the color of the Climate Control and switch back-lights
As for the box, it fits behind the seat if you move it forward all the way and crush your passenger

I had a local audio shop quote me $125 for a custom hidden fiberglass enclosure, which seemed reasonable. Like I said, just hasn't been a priority and since I'm usually driving solo, I never notice the box.