I like this, but there seems to be a problem. The slot for the stereo in the ellio has rounded ends. it is not rectangular. In fact it looks larger.Seems like a single-DIN head unit with flip out monitor and rear camera input would be a good way to go. That's what I'm planning to do.
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Power Acoustik PDR-780B 1-DIN Digital Media Receiver w/ 7" LCD Touch Screen at Onlinecarstereo.com
If it is larger, perhaps something can be inserted in its place to provide a 1-DIN opening.