@Mnpctech
I’ve done it. Fun case to work with. I made a post on the AnandTech forums a long time ago on how to do it. Also, converted the original PSU to ATX spec.
@Mnpctech
As long as the front to back airflow is good I think it's still cool looking. Slap some paint on their, maybe even figure out a way to make a window on the side top area or don't, and you have a hell of a sleeper perhaps. The interior is probably dell poo though.