I got the black box from Radio Shack: Enclosure 270-1802 I had to cut-off the small card slots on the inside of the enclosure, to fit my receiver and UBEC.
Well, I've decided to sell my E-Maxx to purchase a REVO. I've got the fever to convert the REVO into Brushless!:D Here is a link to the auction: E-Maxx