Quote:
USB doesn't seem to be much faster.


Actually, on the empeg-car, the USB 1.0 connection should be slower than ethernet.

If I recall correctly, the 10mbps ethernet should be getting you around 5-700k bytes per second, so 5-10 seconds per song sounds about right.



Quote:
What's the biggest chunk of mp3s I should upload at a time?


That one is here.