The tray is a DIN mount for the SIRIUS Starmate Replay or Streamer GTR radio. There are two links below, one is just for the DIN mount and the other is for a whole kit which includes everything you would need to hardwire your radio:
all these years and I still didn't get nice HU.(hand)
I was thinking about fiberglassing that center piece to make look nice top would be hu and bottom would be gps or some kind of fuel consumption meter like kiwi.
You can see the head unit in the glove box, fits nicely in there. The specs for the screen is in my sig. Its loading windows 7 in that pic. The head unit is just a cheap sony, but it has decent sound so its good enough. Eventually i would like to eliminate the head unit all together and run an amp setup. (pic was taken from my iphone, so quality is not that great, and the glare on the screen isn't usually that bad, direct sunlight + bad camera)