strongly suspect that its just a modified version of the car player.
As I understand it, the software has some significant differences from the Car player software. For instance, it's meant to pull its files from a special network share rather than a local hard disk. Still, I, too, would be interested in seeing which software components are the same. For instance, it would be cool if I could use my Empeg Car like a Rio Receiver, streaming files via an ethernet plug. Or having the Car player serve files to a Rio Receiver.
(And yes, I know we need to bring up the idea of a separate Rio/Dell receiver BBS again.)
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Tony Fabris