Has anyone considered using one of the readily available 3D LED Illusion lights inside their custom case? You would need a good place to mount it and it could restrict airflow if you're not careful where you place it, but the effect should be pretty cool. These are not expensive and there are many designs.
Darth might just give you the gaming edge you need to win that next game.
As Albert Einstein said, "I could have done so much more with a Big Al's Computer!".